Koromon

Koromon is In-Training form of Agumon.

Digimon Adventure
In And So it Begins...,

In DigiBaby Boom,

In The Dark Network of Etemon,

In The Arrival of SkullGreymon,

In The Crest of Sincerity,

In The Earthquake of MetalGreymon,

In Home Away From Home

In Princess Karaoke,

In Sora's Crest of Love

In The Gateway To Home,

In It's All In The Cards,

In Return to Highton View Terrace,

In Almost Home Free,

In The Eighth Digivice,

In The Battle for Earth

In Enter The Dark Masters,

In Playing Games,

In The Ultimate Clash,

In Etemon's Comeback Tour,

In The Crest of Light,

In Joe's Battle,

Epilogue
25 years later, Tai Kamiya's Son has a Koromon for a partner.