Talking about super mario: The enemy turtles are called koopa and they are based on a real Japanese turtle called... Koopa. Bowser, the main enemy, is the king of koopas. He is a giant koopa who can make fire, but it is not a dragon (anyway, many people call it dragon)
Odist's Triforce is from The Legend of Zelda : a Link to the past Zailleh's Koopa Troopa Beach is from Mario Kart 64/DS/7/8 BB_Benji's Goobies is from... Goobies Andme44's Bowser in the dark world is from Super Mario 64