Ping! is the protagonist of the game of the same name. He is a green ball with a face.
Ping! debuted in 2005. Since then, he has had several cameos in other games.
- One level in Stone Smash has players hitting Ping! into a stack of bricks shaped like his face. The Ping! logo is in the background.
- Ping! shows up in one of the challenges in Shady's Poopong: 20th Anniversary Edition.
- Ping! appears on a tile in Tilearade.
- The first two levels of the game Ping! are presented as a "demo" in a video game kiosk in Chousenshi Densetsu: Dynastie Rising.