Leo Fitz

Leopold "Leo" Fitz is a British born S.H.I.E.L.D. agent and scientist. He is a brilliant engineer. Along withJemma Simmons, he was recruited to Coulson's Team by Melinda May.

Fitz was an active participant in hunting for John Garrett and the rest of the Centipede Project. He was shocked by the revelation that Agent Ward had been a member of HYDRA and refused to believe it, resulting in several arguments with Simmons and the rest of the team. Fitz was captured by HYDRA along with Simmons, this attack resulted in a serious brain injury.