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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Mario's foe:

KOOPA: ___ Troopa (Mario foe)
KOOPA: Turtlelike Mario Bros. foe
BOWSER: Mario's foe
KOOPA: __ Troopa: Mario Bros. turtlelike foe