Takeru "Tk" Takaishi
Romanized Name: Takaishi Takeru
Age: 8
Grade: 2nd
School: Kawada Elementary
Crest of Hope
1st series digivice-normal Turns yellow when activated with the Crest of Hope

Poyomon
Tokomon
Patamon
Angemon
Mangaangemon
Seraphinmon

Tk is the kid brother of Matt and in the first series he was a bit of a cry baby but he had to be brave when Piedmon had turned the other except Kari and Patamon into key rings. Patamon his Rookie digimon first digivolved to Angemon when Devimon was going to destroy Tk. In Episode 13 Legend of the Digidestined Patamon finally digivolves then in Episode 52 Piedmon's Last Jest Angemon digivolves to Ultimate of Magnaangemon. We see Angemon digivolve to Mega in the Digimon Movie

His last name Takaishi means "Tall Rock" and his first name Takeru means "Mountain".