The Mouse (aka Squeak) is a character in Shaun the Sheep.
His head is tan, his fur is brown, his feet and tail are also tan, and his nose is pink.
The first appears in the Farmer's house terrifying the Farmer, Pidsley the cat chases after him, frightened, the Mouse jumps in Shaun's fleece causing Shaun to giggle because he tickles then jumps into another sheep's wool. Later on Shaun and the mouse become friends and Shaun was determined to protect him from Pidsley. The Mouse later appears again in Cat Got Your Brain.