The Charms professor at Hogwarts. Flitwick is a small and cheerful man, though he works Harry's class very hard in preparation for their O.W.L. exams. Because he's loyal to Dumbledore, he feigns incompetence and refuses to get rid of George and Fred's portable swamp until Umbridge leaves the school. He also refuses to do anything about the twins' fireworks.
Professor Flitwick Character Timeline in Harry Potter and the Order of the Phoenix
The timeline below shows where the character Professor Flitwick appears in Harry Potter and the Order of the Phoenix. The colored dots and icons indicate which themes are associated with that appearance.
...he accepts that Umbridge can fire Trelawney, she can't kick Trelawney out. McGonagall, Sprout, and Flitwick escort Trelawney back upstairs and Dumbledore says he's already found a new Divination professor. He... (full context)
...them, as doing so makes them multiply. The teachers don't seem bothered and McGonagall and Flitwick refuse to attend to the rampant fireworks, so Umbridge spends her first day as headmistress... (full context)