Question: what was uncle jesse's original last name on full house
Answer: Jesse Katsopolis ( portrayed by John Stamos ; the character 's last name in season one was Cochran , but was changed reportedly due to John Stamos wanting his character to better reflect his Greek heritage ) is Danny 's brother - in - law , Pam 's younger brother , husband of Rebecca Donaldson and father of twin sons Nicky and Alex .