Elijah Wood provided the voice for Mumble, a tap-dancing penguin, in this 2006 film
The stars who provide the characters' voices (
Elijah Wood, Robin Williams, Brittany Murphy, Hugh Jackman, Nicole... [DOC] [TLE] Happy Feet - WarnerBros.com - Movies [PAR] Nov 17, 2006 ... ... is unfortunate for Mumble (voiced by Elijah Wood), who is the worst singer in 
the world.