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 art (also known as postal art and correspondence art) is a populist artistic movement centered on sending small scale works through the postal service. It initially developed out of the Fluxus movement in the 1950s and 60s, though it has since developed into a global movement that continues to the present.