Jeri Katou is a main character in the Digimon Tamers anime series and a long time friend of Takato Matsuki. Jeri first appears to be sweet, kind and bubbly, she is actually a long time victim of depression who uses her charming and quirky demeanor as a coping mechanism. Leomon was a brave and kind Digimon who acted like a mentor or even big brother to Jeri. He had a strong since of justice and was very protective of Jeri and the Tamers, which ultimately caused his death at the hands of Beelzemon.