Tentomon (テントモン)Voiced by: Takahiro Sakurai[10] (Japanese); Jeff Nimoy, R. Martin Klein (in "Invasion of the Daemon Corps", "BlackWarGreymon's Destiny" and "A Million Points of Light"), Joshua Seth ("And so it begins", Motimon and Pabumon) (English)Tentomon is a ladybug-like Digimon and Izzy's partner. He speaks in a Kansai dialect. He has the ability to digivolve into insect-type forms with electric-based attacks. He is highly intelligent, curious, and polite. Although he admires and is fascinated by Izzy's curiosity, he cannot understand it and is baffled by Izzy preferring his laptop over socializing with his friends. Tentomon occasionally becomes annoyed when Izzy becomes sidetracked by his curiosity.

• Pabumon (バブモン, Bubbmon, Bubbmon in the Japanese version) is Tentomon's Baby form, a blob-like Digimon who always holds a pacifier in his mouth.
• Motimon (モチモン) is Tentomon's In-training form, a cylinder-shaped blob Digimon.
• Kabuterimon (カブテリモン) is Tentomon's Champion form, a giant four-armed Asiatic rhinoceros beetle Digimon.
• MegaKabuterimon (アトラーカブテリモン, Atorākabuterimon, AtlurKabuterimon in the Japanese version) is Tentomon's Ultimate form, a giant four-armed Japanese rhinoceros beetle Digimon.
• HerculesKabuterimon (ヘラクルカブテリモン, Herakurukabuterimon, HerakleKabuterimon in the Japanese version) is Tentomon's Mega form, a gigantic Atlas beetle Digimon armed with enormous horn and scissors.