Buster is part of the problem-solving group known as the Super Sleuths along with Darby, Pooh and Tigger. Though oftentimes he seems to be only tagging along, his nose and his curiosity have proven an asset in many of the groups' cases. Darby also loves him as a loyal companion who is fun to play with.
Noun[edit] mailman â(plural mailmen) ( 1 US) someone (implied male) who delivers mail to, and/or collects mail from, residential or commercial addresses, or from public mailboxes.  The gender-neutral letter carrier is sometimes preferred.
mail - a conveyance that transports the letters and packages that are conveyed by the postal system. public transport - conveyance for passengers or mail or freight. roll-on roll-off - a method of transport (as a ferry or train or plane) that vehicles roll onto at the beginning and roll off of at the destination.