He was a chameleon. I think the best Louie episode is when he gets slapped by the frogs and the ones when the ferret sings and doing porn.
http://www.viralvideochart.com/youtu...id=f3mXaATLeRM
The new ones are quite good too, I really like the fridge ones, fridge alarm, gorilla in the fridge, fridge attack and so on. This is my favourite:
http://www.guba.com/watch/3000045430