Alien (Mario Party series)

Aliens are non-playable characters in Mario Party series. They make their debut in Mario Party 5 and late appearance in Mario Party 7.

Mario Party 5
Aliens make a brief appearance in ID UFO, when the team wins.

Mario Party 6
They appear on the board, Castaway Bay at night but absent during day.

Mario Party 7
Aliens appear on the board, Neon Heights. When the player lands on the Happening Space, the Alien in the star-shaped windows UFO will swap the Treasure chests in different places.