He's best friends with Tommy and Tommy always protects him when he's scared. Tommy helps Chuckie come back to reality when he starts dreaming up scary monsters. Chuckie never strays too far from Tommy and even goes on his adventures.
A few interesting facts about Chuckie:
-He is extremely scared of the man on the oatmeal box.
-The time he was scardest the most was when he got his head stuck in a sock.
-Chuckie went into the neighbors' yard with a big, mean dog in it to get his ball back because he though that he was dreaming and that nothing could hurt him.
-The only time that he didn't go on Tommy's adventures was when Tommy wanted to go into the greenhouse a second time.