Takeru "T.K." Takaishi (高石 タケル Takaishi Takeru?) is a character in the anime series Digimon Adventure, Digimon Adventure 02, and Digimon Adventure tri.. and its assosiated media. He is a DigiDestined, partnered with Patamon, and embodies the trait of Hope. He is the younger brother of Yamato "Matt" Ishida.