Boo is Funky Phantom's pet ghost cat.
Boo is a white cat who wears a hat with a red feather in it.
Boo is cute and cuddly. He is shown angry that he was abducted by his own owner. This shows Boo spoke with a deep voice angry at Muddlemore for lying to him and jumps on Funky Phantom and scratches him. It appears that he likes Scooby.
You lied to me.