The mailman is a jolly old man who speaks his "D" sound with more emphasis. He is passionate about doing his job, saying he would be delighted to deliver the friendship cards, as shown in "Pups Save Friendship Day".
The mailman is a light-skinned adult male who slightly resembles Nintendo's Super Mario in appearance. He appears as an older man with blonde hair, blonde mustache and green eyes. He wears a light blue short-sleeved shirt, which is tucked inside his dark blue short pants. He also wears a blue cap, long socks and a pair of gray shoes.