According to the Inter Webs, this SpongeBob Square Pants Mail Box is a lone survivor from a December 2013 campaign by the Nickelodeon Kids Network and the USPS to get kids to write more letters. Or something like that. Spotted on Fifth Avenue at the corner of 49th Street, right by Saks Fifth Avenue!
Fans of the late great Nickelodeon cartoon series Ren & Stimpy will recall with great fondness the character of Powdered Toast Man. Check out the video clip below to see how right on this tattoo is. PTM!