Dr. Wario

From the Super Mario Wiki

Dr. Wario is a mini-game that can be unlocked in the game WarioWare, Inc.: Mega Microgame$!. The game can be unlocked by completing one of Jimmy T.'s minigame sets. The game is almost the same as Dr. Mario. Even all the game options are the same, the only difference is the music and the fact that Wario is the doctor instead of Mario. The Virusses are also different.

Dr. Mario series
Original Games
Dr. Mario | Vs. Dr. Mario | Dr. Mario 64 | Dr. Mario Online Rx
Remakes / Compilations / Other
Tetris & Dr. Mario | Classic NES Series: Dr. Mario | Dr. Mario & Puzzle League | Dr. Wario (Mini-game from WarioWare, Inc.: Mega Microgame$!) | Nintendo Puzzle Collection
Characters, Places or Objects from the series
Dr. Mario | Mii | Nurse Toadstool | Virus | Megavitamin | Mushroom Kingdom Hospital