<Li> Hiroshi Arikawa (Japanese Nippon TV dub of Super Mario Bros Film) </Li> <Tr> <Th> Portrayed by </Th> <Td> Christopher Collins / Patrick Pinney (King Koopa's Kool Kartoons) Dennis Hopper (Super Mario Bros .) </Td> </Tr> <P> Bowser (クッパ, Kuppa, "Koopa"), or King Koopa, is a fictional character and the main antagonist of Nintendo's Mario franchise . In Japan, the character bears the title of Daimaō (大 魔王, Great Demon King). In the U.S., the character was first referred to as "Bowser, King of the Koopas" and "The sorcerer king" in the instruction manual . Bowser is the leader of the turtle - like Koopa race, and has been the archenemy of Mario since his first appearance, in the 1985 video game Super Mario Bros . </P> <P> His ultimate goals are to kidnap Princess Peach, defeat Mario, and conquer the Mushroom Kingdom . Since his debut, he has appeared in almost every Mario franchise game, usually serving as the main antagonist . Bowser is voiced by Kenny James . In addition to his usual animated and video game appearances, he also appears in the 1993 live - action film, where he is portrayed by Dennis Hopper . </P>

What's the difference between bowser and king koopa
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