diff --git a/extras/trainers.py b/extras/trainers.py
index 64ff6c1a5..7d4f91604 100644
--- a/extras/trainers.py
+++ b/extras/trainers.py
@@ -7,63 +7,65 @@ import re
 trainer_group_pointer_table_address    = 0x39999
 trainer_group_pointer_table_address_gs = 0x3993E
 
-# TODO: check if "é", ".", "♂", "♀" are okay in the output
+# "uses_increasing_trainer_ids" means Grunt1, Grunt2, Grunt3
+# "uses_numeric_trainer_ids" means never use a name for the trainer_id
 trainer_group_names = {
-0x01: {"name": "Falkner"},
-0x02: {"name": "Whitney"},
-0x03: {"name": "Bugsy"},
-0x04: {"name": "Morty"},
-0x05: {"name": "Pryce"},
-0x06: {"name": "Jasmine"},
-0x07: {"name": "Chuck"},
-0x08: {"name": "Clair"},
+0x01: {"name": "Falkner", "uses_numeric_trainer_ids": True},
+0x02: {"name": "Whitney", "uses_numeric_trainer_ids": True},
+0x03: {"name": "Bugsy", "uses_numeric_trainer_ids": True},
+0x04: {"name": "Morty", "uses_numeric_trainer_ids": True},
+0x05: {"name": "Pryce", "uses_numeric_trainer_ids": True},
+0x06: {"name": "Jasmine", "uses_numeric_trainer_ids": True},
+0x07: {"name": "Chuck", "uses_numeric_trainer_ids": True},
+0x08: {"name": "Clair", "uses_numeric_trainer_ids": True},
 0x09: {"name": "Rival1"},
+#PokemonProf group is empty :/
 0x0A: {"name": "Pokémon Prof."},
-0x0B: {"name": "Elite Four Will"},
-0x0C: {"name": "Special PKMN 1 [Cal]"},
-0x0D: {"name": "Elite Four Bruno"},
-0x0E: {"name": "Elite Four Karen"},
-0x0F: {"name": "Elite Four Koga"},
+0x0B: {"name": "Elite Four Will", "uses_numeric_trainer_ids": True},
+0x0C: {"name": "Special PKMN 1 [Cal]", "uses_increasing_trainer_ids": True},
+0x0D: {"name": "Elite Four Bruno", "uses_numeric_trainer_ids": True},
+0x0E: {"name": "Elite Four Karen", "uses_numeric_trainer_ids": True},
+0x0F: {"name": "Elite Four Koga", "uses_numeric_trainer_ids": True},
 0x10: {"name": "Champion"},
-0x11: {"name": "Brock"},
-0x12: {"name": "Misty"},
-0x13: {"name": "Lt.Surge"},
+0x11: {"name": "Brock", "uses_numeric_trainer_ids": True},
+0x12: {"name": "Misty", "uses_numeric_trainer_ids": True},
+0x13: {"name": "Lt.Surge", "uses_numeric_trainer_ids": True},
 0x14: {"name": "Scientist"},
-0x15: {"name": "Erika"},
+0x15: {"name": "Erika", "uses_numeric_trainer_ids": True},
 0x16: {"name": "Youngster"},
 0x17: {"name": "Schoolboy"},
 0x18: {"name": "Bird Keeper"},
 0x19: {"name": "Lass"},
-0x1A: {"name": "Janine"},
+0x1A: {"name": "Janine", "uses_numeric_trainer_ids": True},
 0x1B: {"name": "CooltrainerM"},
 0x1C: {"name": "CooltrainerF"},
 0x1D: {"name": "Beauty"},
 0x1E: {"name": "Pokémaniac"},
-0x1F: {"name": "GruntM"},
+0x1F: {"name": "RocketM", "uses_increasing_trainer_ids": True},
 0x20: {"name": "Gentleman"},
 0x21: {"name": "Skier"},
 0x22: {"name": "Teacher"},
-0x23: {"name": "Sabrina"},
+0x23: {"name": "Sabrina", "uses_numeric_trainer_ids": True},
 0x24: {"name": "Bug Catcher"},
 0x25: {"name": "Fisher"},
 0x26: {"name": "SwimmerM"},
 0x27: {"name": "SwimmerF"},
 0x28: {"name": "Sailor"},
 0x29: {"name": "Super Nerd"},
-0x2A: {"name": "Rival2"},
+0x2A: {"name": "Rival2", "uses_numeric_trainer_ids": True},
 0x2B: {"name": "Guitarist"},
 0x2C: {"name": "Hiker"},
 0x2D: {"name": "Biker"},
-0x2E: {"name": "Blaine"},
+0x2E: {"name": "Blaine", "uses_numeric_trainer_ids": True},
 0x2F: {"name": "Burglar"},
 0x30: {"name": "Firebreather"},
 0x31: {"name": "Juggler"},
 0x32: {"name": "Blackbelt"},
-0x33: {"name": "ExecutiveM"},
+0x33: {"name": "ExecutiveM", "uses_numeric_trainer_ids": True},
 0x34: {"name": "Psychic"},
 0x35: {"name": "Picnicker"},
 0x36: {"name": "Camper"},
-0x37: {"name": "ExecutiveF"},
+0x37: {"name": "ExecutiveF", "uses_numeric_trainer_ids": True},
 0x38: {"name": "Sage"},
 0x39: {"name": "Medium"},
 0x3A: {"name": "Boarder"},
@@ -71,10 +73,10 @@ trainer_group_names = {
 0x3C: {"name": "Kimono Girl"},
 0x3D: {"name": "Twins"},
 0x3E: {"name": "PokéfanF"},
-0x3F: {"name": "Special PKMN 2 [Red]"},
-0x40: {"name": "Blue"},
+0x3F: {"name": "Red", "uses_numeric_trainer_ids": True},
+0x40: {"name": "Blue", "uses_numeric_trainer_ids": True},
 0x41: {"name": "Officer"},
-0x42: {"name": "RocketF"},
+0x42: {"name": "RocketF", "uses_increasing_trainer_ids": True},
 0x43: {"name": "Mysticalman [Eusine]"}, # crystal only
 }