Konami's Ping Pong In Smash Ping Pong, a game released exclusively in Japan for the Famicom, Diskun appears on the title screen and on the game win screens.
Streetpass Mii Plaza A Diskun hat can be purchased with a Plaza ticket in StreetPass Mii Plaza.
Diskun appeared in Super Smash Bros. Melee for the GameCube as a trophy that could be obtained after the player achieved every bonus.
The following is Diskun's trophy description:
"This little guy is the adorable mascot for a Nintendo Entertainment System peripheral device released in 1985. Using the disk system, you could rewrite games for 500 yen, an epochal and economical feature. Funnily enough, the instruction booklet was sold separately for 100 yen. The disk system's first game was The Legend of Zelda."
Nintendo has the rights for both series.