Colin is one of the Three Little Pigs and roommate of Bigby Wolf AKA the Big Bad Wolf

Colin is better known as one of the Three Little Pigs. Back in the Homelands they were harassed by The Big Bad Wolf, who blew down Colin's house of straw. After the Exodus, Colin and the other Fables who couldn't pass for human were sent to live at The Farm in upstate New York. Unable to stand such a boring life, Colin constantly makes trips down to Fabletown to bother Bigby. He is always caught and sent back to The Farm, but he doesn't let that stop him.

Colin was one of the first to see Bigby has changed

After escaping from The Farm yet again, Colin returns to Bigby's apartment and falls asleep on his chair. Bigby returns and wakes him up to get him off it