Lower Ranks: Pichu (Yes partially in honor of Pichu_Pichu(Pokemon)), Slime (DQ), Headcrab (Half-Life), Onion Knight (FF), Jack Frost (SMT), Skeleton (Casltevania), Chao (Sonic), Creeper (Minecraft), Villager (AoE and 99% of history RTS), Zergling (Starcraft)
Middle Ranks: Skull Kid (Zelda), Koopaling (Mario), Dr. Salvador (Resident evil 4 aka chainsaw guy)
High Ranks: Bahamut (FF), Big Boss (MGS), Triforce Bearer (Zelda), L Block (Tetris)
Former something....