Hamster

Groundhog

rats / rodents from the gutter

rat

guinea pig

squirrel

a beach thief

mouse

mouse pad

a squirrel

(idiom) obnoxious appearance and cunning-looking

a guinea pig, a person or thing used as a subject for experiment [written and colloquial]

Mickey Mouse

mouse

muscular biceps; literally 'small rat'(same shape)

don't know where to start; don't know how to handle [colloquial]

Panther Grouper; humpback grouper; high fin grouper

rat poison

(slang) stolen goods

cowardly

(slang) (adjective) (of facial features) wily and devious looking; untrustworthy appearance; shifty looking

an idiom used to describe a group of people in the same syndicate and have the same intention (normally illicit or unpleasant intention) to carry out something harmful to others. Literally "snake and rat in the same nest"; act in collusion with each other

a bat (animal)

kangaroo

to not know or recognise someone who is suppose to be someone important / with high status [colloquial]

ultrasonic mouse

a phrase to describe a malevolent person who is spurned by everyone

Flying squirrel

(adjective) sneaky; sneakily; furtive; stealthy

(adjective) sneaky; sneakily; furtive; stealthy