In the books his name is Argus Filch The character of Filch is played by David Bradley in the films
Argus Filch. He isn't a professor though, he is the caretaker. Filch is a squib which means he has no magical abilities.
Minerva McGonagall.
That is his real name.
Professor Albus Percival Wulfric Brian Dumbledore
Professor Ginz's birth name is Shepherd Ginzburg.
Professor Pomona Sprout.
Professor Quirell
His name is Remus John Lupin so his initials are R.J.L.
The professor would be called a Lepidopterologist.
Professor Longhair's birth name is Henry Roeland Byrd.
Wilhelmina
Minerva Mcgonagall is her full name
Roy Hinkley.
Professor Albus Percival Wulfric Brian Dumbledore
really long name
Quirinus Quirrel
Professor "Roy Hinkley" (played by actor Russell Johnson).
It's Stephen Paul Manderson m8.Professor Greens real name is Stephen Paul Manderson
Professor Quirinus Quirrell is his real name.He was played by Ian Hart in the movie Harry Potter and the Philosopher's Stone.
I don't think Professor Layton is real, he's only a game character, not a real human being. I WOULD like to see Professor Layton in real life.