Suggestions by @user_111056

The Once-ler

as Eret, Son of Eret in How to train your Mammoth

Score: +1

Rudy (Ice Age)

as Drago's Bewilderbeast in How to train your Mammoth

Score: +1

Rain (Spirit: Stallion of the Cimarron)

as Valka's Bewilderbeast in How to train your Mammoth

Score: +1

Espio The Chameleon

as Skullcrusher in How to train your Mammoth

Score: +1

Garfield

as Grump in How to train your Mammoth

Score: -2

Diego (Ice Age)

as Cloudjumper in How to train your Mammoth

Score: +1

Shan Yu

as Drago Bludvist in How to train your Mammoth

Score: +1

Bo Peep

as Valka in How to train your Mammoth

Score: +1

Mort (Madagascar)

as Terrible Terror in How to train your Mammoth

Score: +1

The Core

as The Red Death in How to train your Mammoth

Score: +1

Gwendolyn Clawthorne

as Gothi in How to train your Mammoth

Score: +1

Marty The Zebra

as Barf and Belch in How to train your Mammoth

Score: +2

Alex the Lion

as Barf and Belch in How to train your Mammoth

Score: +1

Kanga (Winnie the Pooh)

as Meatlug in How to train your Mammoth

Score: +1

Knuckles the Echidna

as Hookfang in How to train your Mammoth

Score: +1

Master Tigress

as Stormfly in How to train your Mammoth

Score: +1

Anne Boonchuy

as Ruffnut and Tuffnut in How to train your Mammoth

Score: +1

Mike (Total Drama)

as Ruffnut and Tuffnut in How to train your Mammoth

Score: +1

Marcy Wu

as Fishlegs in How to train your Mammoth

Score: +1

Wilbur Robinson

as Snotlout in How to train your Mammoth

Score: +1