Zack Larsen is a senior at Coral Coast High. Minor character in the Lab Rats universe. His older sister is a famous actress. He us extremely involved in the school he goes to. He's in the Speech and Debate team. He's the president of Student Council. He also participates in musicals. He likes most of Ariana Grande's songs. His favorite is Breathin, but he hates Monopoly. He's been reported to be a very kind person. However, Bree has doubts about his true nature. Chase likes him, since both are very smart. His first appearance is in the episode "Too Nice". It's revealed he wants to be a lawyer when he grows up. His middle name is Will. His former classmates revealed that he used to be a rude and arrogant person.

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