When the child zombie vampire first comes on the scene he is naked. The scorer apprentice tries to light a candle but the child zombie vampire pees to put out the match.
While washing in the river, Golden Boy uses his powers to spray water at Little Flying Dragon. Little Flying Dragon returns using his powers to make Golden Boy's loin cloth to disappear leaving him naked on the rock.
A fairy accelerates the baby's growth into a boy who is initially fat and short with no underwear. The fairy is not happy and transforms the boy into a taller leaner boy and still with no underwear.