Pac-Man

Pac-Man is a very famous video game character who first appeared in the arcade classic Pac-Man.

Pac-Man Vs.
Pac-Man Vs. is the first game in which characters from the Mario Series, and Pac-Man Series both appeared. This game was a remake of the original Pac-Man however in this version of the game players controled Blinky, Pinky, Inky and Clyde. It seems that during the events of this game Mario was watching over what happened- as he acts as the narrator.

Mario Kart Arcade GP
After Mario's apperance in the Pac-Man Series, Pac-Man later appeared in the Mario Series. His first appearance was as a playable character in Mario Kart Arcade GP here Pac-Man was an all-around type character and used Pooka, Rally-X, and Galaga as special items.

Mario Kart Arcade GP 2
In Mario Kart Arcade GP 2 Pac-Man returned as a playable character, here he was the same as in Mario Kart Arcade GP except this time his wife Ms. Pac-Man also appeared as a playable character.

Trivia

 * In small leaflets celebrating to 20th Aniversary of the Mario Series, there were pictures of Box Art from several recent Mario games decorating the edge, oddly Art Work of the NES Classics version of Pac-Man was also on there (this was the only Non-Mario game featured).
 * Miyamoto has often stated that Pac-Man is his favorite game character of all time.