Takeru Takaishi is a character in the anime and manga series Digimon Adventure, Digimon Adventure 02 and Digimon Adventure tri.. He is a DigiDestined, partnered with Patamon, and embodies the trait of Hope. He is the younger brother of Yamato Ishida.

Takeru is a very cheerful and amiable person. He doesn't like when others are fighting or sad, and will do anything in his power to make others happy. He is very protective of his loved ones, especially after Patamon's sacrifice, and takes his duty as a protector of the Digital World very seriously. He is rather optimistic, and always tries to keep a smile on his face.