Betamon

Betamon (ベタモン) is the partner to Michael of Digimon Adventure 02 and the minor character of Digimon Adventure and Digimon Adventure:.

Digimon Adventure
In WereGarurumon's Diner,

Digimon Adventure 02
In The Samurai of Sincerity,

In Digimon World Tour, Part 1,

In A Million Points of Light,

Digimon Adventure:
Betamon is one of Digimons who lost its home to Millenniummon’s rampage. When Ghoulmon made the attack, it looked to the sky with the other homeless Digimon.

Trivia

 * In Digimon Adventure 02 and Last Evolution Kizuna, Betamon digivolve to Seadramon.