They're stuck at C for years
Easy, they stick out like a sore bum!
A keBob!
Buckaneer
Because they often spend years at C EDIT: made it more punny
You stop milking the cow after ten years.
He's been underground for five years now.
Everyone thinks it's 'R', but his first love be the 'C'.
She got a Zebra.
Boxing
A coconut
Because he was always lost at C!