Toshiaki becomes a competing young experimenter whose actions escalate the conflict.
Toshiaki conducts his own experiment after learning about Victor's research, contributing to the monster outbreak.
They collaborate on a dangerous science-fair project.
Toshiaki and Bob create a jetpack from soda bottles, and the test ends with Bob falling from a roof.
Toshiaki belongs to the same competitive school group as the composite classmate character.
Toshiaki is listed among Victor's classmates and later learns about Victor's reanimation research with other students.
Explore the full interactive character relationship map of Frankenweenie