Felix Unger is one half of the titular Odd Couple from the play, movie, and television series of that name. He's a divorced neat-freak with an affinity for the finer things in life.
There are roughly one-sh*t billion tropes so PLEASE look through them before adding one. Otherwise add what you like. ADDITION: PLEASE read through the trope description provided before submitting something. It's not a huge deal but too often people submit characters that don't fit just because they misinterpreted the title...