Stephanie and Harry at their "wedding"
Harry Takayama was the first on-screen friend of Stephanie Tanner, appearing in the second season. He would usually call her "Chief", and she called him her boyfriend -- believing it only met a boy who was her friend. This led to a pretend wedding in the episode Middle Age Crazy, in which he dumped her when his mom made meatloaf. His last appearance was in Nerd for a Day, in Season 3.
Trivia
He has a japanese heritage.
He is one of Stephanies friends when she was little.