Crossword puzzle clue "instrument that voices charlie brown's teacher"

Instrument that "voices" Charlie Brown's teacher

What Charlie Brown calls his teacher

Charlie's last name in "Charlie and the Chocolate Factory"

Charlie's last name on "Charlie's Angels"

Like Charlie, on TV's "Charlie's Angels"

Music teacher's question for Charlie?

Player of the bad teacher in "Bad Teacher"

Something your poetry teacher might assign you to write about a particularly inspirational poetry teacher you've had *hint* *hint