Wario is Mario and Luigi's fat cousin, and brother to Waluigi. Wario and Waluigi share a series together.
Wario appears in Wario Eats A Moose as a main charcter. In this episode, he gets so hungry that he tries to eat Jeff the Moose.
Wario appears in Wario's Addiction 3 as the main character. In this episode, he finds a slushie stand in the back alley and drinks some, only to find it poisioned. He is then taken to the hospital.