diff --git a/engine/gfx/color.asm b/engine/gfx/color.asm
index cf71e4803..76c2dc504 100644
--- a/engine/gfx/color.asm
+++ b/engine/gfx/color.asm
@@ -743,7 +743,7 @@ CGBCopyBattleObjectPals: ; unreferenced
 BattleObjectPals:
 INCLUDE "gfx/battle_anims/battle_anims.pal"
 
-Function97cc: ; unreferenced
+CGBCopyTwoPredefObjectPals: ; unreferenced
 	call CheckCGB
 	ret z
 	ld a, (1 << rOBPI_AUTO_INCREMENT) | $10
diff --git a/engine/items/tmhm.asm b/engine/items/tmhm.asm
index 0334b9a2e..fd8293603 100644
--- a/engine/items/tmhm.asm
+++ b/engine/items/tmhm.asm
@@ -436,7 +436,8 @@ TMHMPocket_GetCurrentLineCoord:
 	jr nz, .loop
 	ret
 
-Function2ca95: ; unreferenced
+PlaceMoveNameAfterTMHMName: ; unreferenced
+; Similar to a part of TMHM_DisplayPocketItems.
 	pop hl
 	ld bc, 3
 	add hl, bc
diff --git a/engine/overworld/npc_movement.asm b/engine/overworld/npc_movement.asm
index a855ca714..1fb8e63a9 100644
--- a/engine/overworld/npc_movement.asm
+++ b/engine/overworld/npc_movement.asm
@@ -274,14 +274,14 @@ WillObjectBumpIntoSomeoneElse:
 	ld e, [hl]
 	jr IsNPCAtCoord
 
-Function7015: ; unreferenced
+IsObjectFacingSomeoneElse: ; unreferenced
 	ldh a, [hMapObjectIndexBuffer]
 	call GetObjectStruct
-	call .CheckWillBeFacingNPC
+	call .GetFacingCoords
 	call IsNPCAtCoord
 	ret
 
-.CheckWillBeFacingNPC:
+.GetFacingCoords:
 	ld hl, OBJECT_NEXT_MAP_X
 	add hl, bc
 	ld d, [hl]
@@ -289,12 +289,13 @@ Function7015: ; unreferenced
 	add hl, bc
 	ld e, [hl]
 	call GetSpriteDirection
-	and a
+	and a ; OW_DOWN?
 	jr z, .down
 	cp OW_UP
 	jr z, .up
 	cp OW_LEFT
 	jr z, .left
+	; OW_RIGHT
 	inc d
 	ret
 
@@ -326,32 +327,31 @@ IsNPCAtCoord:
 	ld hl, OBJECT_PALETTE
 	add hl, bc
 	bit BIG_OBJECT_F, [hl]
-	jr z, .got
-
+	jr z, .not_big
 	call WillObjectIntersectBigObject
-	jr nc, .ok
-	jr .ok2
+	jr nc, .check_current_coords
+	jr .continue
 
-.got
+.not_big
 	ld hl, OBJECT_NEXT_MAP_X
 	add hl, bc
 	ld a, [hl]
 	cp d
-	jr nz, .ok
+	jr nz, .check_current_coords
 	ld hl, OBJECT_NEXT_MAP_Y
 	add hl, bc
 	ld a, [hl]
 	cp e
-	jr nz, .ok
+	jr nz, .check_current_coords
 
-.ok2
+.continue
 	ldh a, [hMapObjectIndexBuffer]
 	ld l, a
 	ldh a, [hObjectStructIndexBuffer]
 	cp l
-	jr nz, .setcarry
+	jr nz, .yes
 
-.ok
+.check_current_coords
 	ld hl, OBJECT_MAP_X
 	add hl, bc
 	ld a, [hl]
@@ -366,7 +366,7 @@ IsNPCAtCoord:
 	ld l, a
 	ldh a, [hObjectStructIndexBuffer]
 	cp l
-	jr nz, .setcarry
+	jr nz, .yes
 
 .next
 	ld hl, OBJECT_LENGTH
@@ -380,7 +380,7 @@ IsNPCAtCoord:
 	and a
 	ret
 
-.setcarry
+.yes
 	scf
 	ret
 
@@ -473,7 +473,7 @@ IsObjectMovingOffEdgeOfScreen:
 	scf
 	ret
 
-Function7113: ; unreferenced
+IsNPCAtPlayerCoord: ; unreferenced
 	ld a, [wPlayerStandingMapX]
 	ld d, a
 	ld a, [wPlayerStandingMapY]
@@ -484,16 +484,17 @@ Function7113: ; unreferenced
 	ldh [hObjectStructIndexBuffer], a
 	call DoesObjectHaveASprite
 	jr z, .next
+
 	ld hl, OBJECT_MOVEMENTTYPE
 	add hl, bc
 	ld a, [hl]
 	cp SPRITEMOVEDATA_BIGDOLLSYM
-	jr nz, .not_snorlax
+	jr nz, .not_big
 	call WillObjectIntersectBigObject
 	jr c, .yes
 	jr .next
 
-.not_snorlax
+.not_big
 	ld hl, OBJECT_NEXT_MAP_Y
 	add hl, bc
 	ld a, [hl]
diff --git a/engine/pokemon/bills_pc_top.asm b/engine/pokemon/bills_pc_top.asm
index 757b977c5..e4d82e417 100644
--- a/engine/pokemon/bills_pc_top.asm
+++ b/engine/pokemon/bills_pc_top.asm
@@ -139,7 +139,7 @@ BillsPC_DepositMenu:
 	and a
 	ret
 
-Functione512: ; unreferenced
+BillsPC_Deposit_CheckPartySize: ; unreferenced
 	ld a, [wPartyCount]
 	and a
 	jr z, .no_mon
@@ -206,7 +206,7 @@ BillsPC_WithdrawMenu:
 	and a
 	ret
 
-Functione56d: ; unreferenced
+BillsPC_Withdraw_CheckPartySize: ; unreferenced
 	ld a, [wPartyCount]
 	cp PARTY_LENGTH
 	jr nc, .party_full
diff --git a/engine/pokemon/mail_2.asm b/engine/pokemon/mail_2.asm
index 4879ca7d4..b7fc57e8e 100644
--- a/engine/pokemon/mail_2.asm
+++ b/engine/pokemon/mail_2.asm
@@ -709,7 +709,8 @@ MailGFX_PlaceMessage:
 .place_author
 	jp PlaceString
 
-Functionb984e: ; unreferenced
+InvertBytes: ; unreferenced
+; invert bc bytes starting at hl
 .loop
 	ld a, [hl]
 	xor $ff
diff --git a/engine/printer/printer.asm b/engine/printer/printer.asm
index ebfe1a4dd..fcfd4be39 100644
--- a/engine/printer/printer.asm
+++ b/engine/printer/printer.asm
@@ -575,7 +575,9 @@ PlacePrinterStatusString:
 	ld [wPrinterStatus], a
 	ret
 
-Function847bd: ; unreferenced
+PlacePrinterStatusStringBorderless: ; unreferenced
+; Similar to PlacePrinterStatusString, but with different hlcoords
+; and ClearBox instead of TextBox.
 	ld a, [wPrinterStatus]
 	and a
 	ret z
diff --git a/engine/rtc/print_hours_mins.asm b/engine/rtc/print_hours_mins.asm
index 5c4c2fdb7..2f5689970 100644
--- a/engine/rtc/print_hours_mins.asm
+++ b/engine/rtc/print_hours_mins.asm
@@ -1,9 +1,10 @@
 Function1dd6a9: ; unreferenced
 ; Debug function?
+; Input: bc = value, de = destination
 	ld a, b
 	ld b, c
 	ld c, a
-	push bc
+	push bc ; de points to this on the stack for PrintNum
 	push de
 	ld hl, sp+2
 	ld d, h
diff --git a/engine/rtc/timeset.asm b/engine/rtc/timeset.asm
index c511827b0..9dad2355a 100644
--- a/engine/rtc/timeset.asm
+++ b/engine/rtc/timeset.asm
@@ -196,7 +196,7 @@ DisplayHourOClock:
 	pop hl
 	ret
 
-Function907f1: ; unreferenced
+DisplayHoursMinutesWithMinString: ; unreferenced
 	ld h, d
 	ld l, e
 	push hl