"A penguin employed at the Marutama Aquarium. Also narrates the demo of the first game."
- Description from Pixel Puzzle Collection
Penkuro is a purple penguin who works at the Marutama Aquarium as an entertainer. He also gives puzzle-ball lessons, appearing as an instructor in the first game's attract mode.
- Jikkyō Oshaberi Parodius (as Boss)
- Sexy Parodius (Cameo in Intro)
- Paro Wars (Formed by Pentarou and his Penguins, and Ending cutscene)
- TwinBee PARADISE in Donburi Island (Cameo in Wai Wai Arcade)
- Pixel Puzzle Collection
- Bombergirl (cameo)
- "Are You Listening To Me?" (Penkuro's Ending)
Let's Attack Crazy Cross
- "Urrgh!! I'm Stuffed!!" (Penkuro's Ending)