Frump
Frump may refer to:

"Mr. Frump in the Iron Lung", a song on the album "Weird Al" Yankovic
The surname of some of the characters in The Addams Family (1964 TV series)
Donald Frump, an elephant character in Rocko's Modern Life
Judge Horatio Curmudgeon Frump, a character in Tumbleweeds (comic strip)
Babe Frump, NFL player