True, a teddy bear who's a big boy and wearing big boy underwear [we call the white ones "classics"] might help the kid along with his potty training.
OR it could trigger an all-out underwear revolt when he realizes that, this whole time, all his other animals get to go commando.
Brown Bear in Underwear by David & Goliath, $19.95 [olliebollen.com, a fine dt advertiser]