Over half of the Persona 4 cast
Bowser
Captain Jack Sparrow (in the moments where he's not the main focus; it's schizophrenic)
Dr. Neo Cortex
The Joker
The Riddler
Two-Face
Scarecrow
Dan Hibiki
Johnny Cage
Bang Shishigami
Yoshimitsu
Cranky Kong
Funky Kong
Andrew Ryan
Wallace Wells
Charizard
Zero (Mega Man X)
Etna in Disgaea 1
Magus
Longshoreman X
Vito Corleone
Snoopy
Groose
Christopher Walken in everything he's been in
Gilgamesh (FFV)
Just off the top of my head
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SuperNiceDog? More like SuperChillGuy. Who is better than me at brackets by a mile.