Lopmon, along with his brother Terriermon, attended Piximon's School. He graduated when he, along with his classmates, defeated a herd of DarkTyrannomon. He later sacrifices himself to make Terriermon stronger. He is reverted into a Digi-Egg and hatches as Conomon.
The name Lopmon refers to only the Rookie form of this Digimon. Throughout the series, he gains the power to Digivolve into more powerful forms.
When Lopmon reverts to a Digi-Egg, he hatches into this form.
Conomon, soon after hatching, digivolves to Kokomon.
Lopmon digivolved to Turuiemon to fight of the Tyrannomon. When he sacrifises himself, he is in this form.
Lopmon, after digivolving from Kokomon, warp digivolves to Cherubimon.