diff --git a/decompiler/config/all-types.gc b/decompiler/config/all-types.gc
index 3f0738e740..f825a17635 100644
--- a/decompiler/config/all-types.gc
+++ b/decompiler/config/all-types.gc
@@ -15817,9 +15817,10 @@
 
 ;; - Functions
 
-(define-extern entity-info-lookup function)
+;; This is a terrible terrible function, here be dragons - https://github.com/water111/jak-project/pull/623!
+(define-extern entity-info-lookup (function type entity-info))
 
-;; - Unknowns
+;; - Symbols
 
 (define-extern *entity-info* (array entity-info))
 
diff --git a/goal_src/engine/entity/entity-table.gc b/goal_src/engine/entity/entity-table.gc
index 19c7c168d4..67543495b5 100644
--- a/goal_src/engine/entity/entity-table.gc
+++ b/goal_src/engine/entity/entity-table.gc
@@ -5,3 +5,182 @@
 ;; name in dgo: entity-table
 ;; dgos: GAME, ENGINE
 
+;; definition for symbol *entity-info*, type (array entity-info)
+(define
+  *entity-info*
+  (the-as (array entity-info)
+   (new
+    'static
+    'boxed-array
+    :type entity-info :length 19 :allocated-length 19
+    (new 'static 'entity-info
+     :ptype
+     (type-ref sage-finalboss :method-count 53)
+     :package "l1"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x8000
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref robotboss :method-count 21)
+     :package "l1"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x8000
+     )
+    (new 'static 'entity-info
+     :ptype
+     (type-ref assistant-levitator :method-count 53)
+     :package "l1"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x8000
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref babak :method-count 76)
+     :package "l1"
+     :art-group '("babak")
+     :pool '*16k-dead-pool*
+     :heap-size #x2800
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref racer :method-count 24)
+     :package "game"
+     :art-group '("racer")
+     :pool '*16k-dead-pool*
+     :heap-size #x4000
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref springbox :method-count 20)
+     :package "game"
+     :art-group '("bounceytarp")
+     :pool '*16k-dead-pool*
+     :heap-size #x1400
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref launcher :method-count 20)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x400
+     )
+    (new 'static 'entity-info
+     :ptype
+     (type-ref pickup-spawner :method-count 30)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #xc00
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref bucket :method-count 30)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #xc00
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref barrel :method-count 30)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #xc00
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref crate :method-count 30)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #xc00
+     )
+    (new 'static 'entity-info
+     :ptype
+     (type-ref orb-cache-top :method-count 29)
+     :package "game"
+     :art-group '("orb-cache-top")
+     :pool '*16k-dead-pool*
+     :heap-size #x1000
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref eco :method-count 31)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x1000
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref ecovent :method-count 21)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x1000
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref fuel-cell :method-count 31)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x1400
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref buzzer :method-count 31)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x1000
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref money :method-count 31)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x800
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref water-vol :method-count 30)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #xc00
+     )
+    (new 'static 'entity-info
+     :ptype
+     (type-ref target-start :method-count 15)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x400
+     )
+    )
+   )
+  )
+
+;; definition for function entity-info-lookup
+;; INFO: Return type mismatch basic vs entity-info.
+(defun entity-info-lookup ((arg0 type))
+  (the-as entity-info (cond
+                       ((nonzero? (-> arg0 method-table 13))
+                        (-> arg0 method-table 13)
+                        )
+                       (else
+                        (let ((v1-1 *entity-info*))
+                         (dotimes (a1-0 (-> v1-1 length))
+                          (if (= arg0 (-> v1-1 a1-0 ptype))
+                           (return (begin
+                                    (set!
+                                     (-> arg0 method-table 13)
+                                     (the-as function (-> v1-1 a1-0))
+                                     )
+                                    (-> v1-1 a1-0)
+                                    )
+                            )
+                           )
+                          )
+                         )
+                        (set! (-> arg0 method-table 13) #f)
+                        #f
+                        )
+                       )
+   )
+  )
+
diff --git a/test/decompiler/reference/engine/entity/entity-table_REF.gc b/test/decompiler/reference/engine/entity/entity-table_REF.gc
new file mode 100644
index 0000000000..c2a02f75e7
--- /dev/null
+++ b/test/decompiler/reference/engine/entity/entity-table_REF.gc
@@ -0,0 +1,185 @@
+;;-*-Lisp-*-
+(in-package goal)
+
+;; definition for symbol *entity-info*, type (array entity-info)
+(define
+  *entity-info*
+  (the-as (array entity-info)
+   (new
+    'static
+    'boxed-array
+    :type entity-info :length 19 :allocated-length 19
+    (new 'static 'entity-info
+     :ptype
+     (type-ref sage-finalboss :method-count 53)
+     :package "l1"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x8000
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref robotboss :method-count 21)
+     :package "l1"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x8000
+     )
+    (new 'static 'entity-info
+     :ptype
+     (type-ref assistant-levitator :method-count 53)
+     :package "l1"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x8000
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref babak :method-count 76)
+     :package "l1"
+     :art-group '("babak")
+     :pool '*16k-dead-pool*
+     :heap-size #x2800
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref racer :method-count 24)
+     :package "game"
+     :art-group '("racer")
+     :pool '*16k-dead-pool*
+     :heap-size #x4000
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref springbox :method-count 20)
+     :package "game"
+     :art-group '("bounceytarp")
+     :pool '*16k-dead-pool*
+     :heap-size #x1400
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref launcher :method-count 20)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x400
+     )
+    (new 'static 'entity-info
+     :ptype
+     (type-ref pickup-spawner :method-count 30)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #xc00
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref bucket :method-count 30)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #xc00
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref barrel :method-count 30)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #xc00
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref crate :method-count 30)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #xc00
+     )
+    (new 'static 'entity-info
+     :ptype
+     (type-ref orb-cache-top :method-count 29)
+     :package "game"
+     :art-group '("orb-cache-top")
+     :pool '*16k-dead-pool*
+     :heap-size #x1000
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref eco :method-count 31)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x1000
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref ecovent :method-count 21)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x1000
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref fuel-cell :method-count 31)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x1400
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref buzzer :method-count 31)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x1000
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref money :method-count 31)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x800
+     )
+    (new 'static 'entity-info
+     :ptype (type-ref water-vol :method-count 30)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #xc00
+     )
+    (new 'static 'entity-info
+     :ptype
+     (type-ref target-start :method-count 15)
+     :package "game"
+     :art-group '()
+     :pool '*16k-dead-pool*
+     :heap-size #x400
+     )
+    )
+   )
+  )
+
+;; definition for function entity-info-lookup
+;; INFO: Return type mismatch basic vs entity-info.
+(defun entity-info-lookup ((arg0 type))
+  (the-as entity-info (cond
+                       ((nonzero? (-> arg0 method-table 13))
+                        (-> arg0 method-table 13)
+                        )
+                       (else
+                        (let ((v1-1 *entity-info*))
+                         (dotimes (a1-0 (-> v1-1 length))
+                          (if (= arg0 (-> v1-1 a1-0 ptype))
+                           (return (begin
+                                    (set!
+                                     (-> arg0 method-table 13)
+                                     (the-as function (-> v1-1 a1-0))
+                                     )
+                                    (-> v1-1 a1-0)
+                                    )
+                            )
+                           )
+                          )
+                         )
+                        (set! (-> arg0 method-table 13) #f)
+                        #f
+                        )
+                       )
+   )
+  )
+
+
+
+
diff --git a/test/decompiler/reference/engine/level/level-h_REF.gc b/test/decompiler/reference/engine/level/level-h_REF.gc
index 5c8c52c821..b956ed056e 100644
--- a/test/decompiler/reference/engine/level/level-h_REF.gc
+++ b/test/decompiler/reference/engine/level/level-h_REF.gc
@@ -204,7 +204,7 @@
     (dummy-25 () none 25)
     (dummy-26 () none 26)
     (dummy-27 () none 27)
-    (dummy-28 () none 28)
+    (dummy-28 (_type_ string) symbol 28)
     )
   )
 
@@ -301,7 +301,7 @@
     (dummy-18 (_type_ symbol) none 18)
     (dummy-19 (_type_ pair) none 19)
     (dummy-20 () none 20)
-    (dummy-21 () none 21)
+    (dummy-21 (_type_ level-group int) pair 21)
     (dummy-22 () none 22)
     (dummy-23 () none 23)
     (dummy-24 () none 24)