SMG4 himself: He's only good when he's not being dumb. JUST KIDDING, HE'S 100% TERRIBLE.
Mario: Butchered personality, terrible script, worthless character.
Waluigi: Insanely horrible.
Bowser: Cringy and stupid (in an insulting way).
Meggy: Lame at times, but mostly normal.
Steve: Functions poorly.
Fishy Boopkins: Poorly-thought-of name.
Bob: Also terrible even before he insulted Boopkins.
Tell me more characters and I'll add them!