Kamemon

Kamemon  is a fictional character from the Digimon Data Squad,  he is partner of  Homer Yushima. He digivolve to Gwappamon and Shawjamon.

Digimon Data Squad
Kamemon is a Digimon who's constantly underfoot in DATS, kindly serving drinks to both human and Digimon alike. In Episode 18, Kamemon went into the Digital World with Homer Yushima to help Marcus Damon and the others with Merukimon. He reappeared with Homer in the Holy Capital and helped to defend it from Akihiro Kurata's Gizumon. Homer and Kamemon disguised themselves as doctors upon approaching Thomas H. Norstein's sister, Relena Norstein, only to be caught by Thomas who withdraws Kamemon into Homer's Data Link Digivice. When Thomas destroyed the Digimon Control Device that allowed Kurata to control Belphemon, Thomas freed Homer and Kamemon.