Feigenbaum

“Feigenbaum! I have to find him. He's the master of- I have to have Feigenbaum here”

―Fred^[src]

Feigenbaum was Winifred Burkle's stuffed toy rabbit and known affectionately by her as "the master of chaos". He was named after Mitchell Jay Feigenbaum a mathematical physicist and pioneer in the studies of chaos theory.

Appearances

• "A Hole in the World"
• "Shells" (only in flashbacks)