Pabumon

Evolution

 * Fresh (Baby) - Pabumon
 * Baby (In-Training) - Motimon
 * Child (Rookie) - Tentomon
 * Adult (Champion) - Kabuterimon
 * Perfect (Ultimate) - MegaKabuterimon
 * Ultimate (Mega) - HerculesKabuterimon

Attacks

 * Bubble Blow

Digimon Adventure
When Vademon took away Izzy's curiosity and Crest, Tentomon gradually lost his energy and De-Digivolved to Motimon then to Pabumon. Pabumon's tears forced Izzy to remember who he was and, together, they got his curiosity and Crest back, causing Pabumon to Digivolve to Motimon then to Tentomon again.