When Christine protested that this boy wasn't Walter -- her son was three inches taller when he disappeared, he wasn't circumcised, and he knew his own teacher -- the cops bundled her off to the psycho ward.
Ferrell isn't breaking new ground, but one day -- when he's branching out to play psycho killers and getting in touch with his inner Thespian -- we'll look back on his clowning period and wonder why he would want to do anything else.