Wario is a character in Nintendo's Mario series who was designed as an antagonist to Mario. He was first seen in the classic 1992 Game Boy title Super Mario Land 2: 6 Golden Coins.
Wario Papercraft

Kat is one of the twin ninja sister characters in the WarioWare series. Kat and her sister Ana are said to be descendents of the Iga ninja clan and reside in a house in Diamond City.
WarioWare Papercraft: Kat