Betamon is a Digimon character in Digimon Aventure 02: Legacy .
Betamon is a Rookie Digimon with a brave personnality and good friendship. He could become a great hero one day. After a while Betamon met Taiki Kamiya and they became friends and partners. When Taiki was going back to the real world he brought Betamon with him but as Bukamon his In-Training form, he should him to his father Taichi from season 1. Betamon and Taiki or Tak for short are best friends and they do almost everthing to gether like fight, play, Betamon evens helps Tak with his homework sometimes. Betamon loves to eat, play and if have to he loves to fight.
In The Legacy , Betamon raises several forms, in spite of his Rookie form is the one that he sets mostly.
Pichimon is Betamon's Fresh form. He resumes to this level after fighing as MegaSeadramon.
Bukamon is Betamon's In-Training form. He is more innocent than Betamon and sees the life as a game.
Seadramon is Betamon's Champion form. He is really more powerful and smarter than Betamon, he is also more aggresive than him.
MegaSeadramon is Betamon's Ultimate form. After fighting as him, Betamon resumes to Pichimon.
MetalSeadramon is Betamon's Mega form. He is really less docile than Betamon's other forms.
GigaSeadramon is Betamon's Burst Mode. In order to become GigaSeadramon, Betamon owes becomes MetalSeadramon and accumulate enough power and will. Even though it dosen't say burst in his name it is still his burst mode level.