His voice actor is Eric Bauza.
Crankybeard is a bearded, grey-blue, dome-shaped old man with one peg on the top of his head. He wears glasses and a dark blue shirt. He walks with a cane, and one of his legs has been replaced with a prosthetic wheel.
- Trapped In The Tower (in flashback)
- Crankybeard is one of only a few characters in the series to have any Lego pegs.
- In Master Frown's "Trapped in the Tower" flashback, he can be seen with two legs, instead of his wheel prosthesis.
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Dr. Fox / Hawkodile / Richard