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 possess visible Lego pegs.
- In Master Frown's "Trapped in the Tower" flashback, he can be seen with two legs, instead of his wheel prosthesis.
| Unikitty / Puppycorn |
Dr. Fox / Hawkodile / Richard
|Master Frown / Brock / Abugail / Doom Lords / Cupcake Monster / Eagleator / Ted Butter / The Tooth Fairy / Giant Jelly Creature / Groovetron / Father Time / Friend Guy / Lord LandLord / Sandman / Score Creeper / Wish Coins|
|Action Police / Asteroid / Beatsby / Beau / Bim-Bom / Cookie Guy / Craig / Crankybeard / Dino Dude / Dr. Fox’s Robots / Golden Goose / Esteban / Falcomodo / Kickflip / FeeBee / Security Robot / LEGO Batman / Mark 1 / M'Ladybug / Old Timey Mustache Man / Pet Pet / Really Old Edith / Rock Guy / Santa / Sssnake / Stellacopter / Stocko / Theodore / Toaster and Toast / Volcano / Zelda / Background Characters|