A Eunicycle is a computer controlled, partially self-balancing, motorized unicycle invented by Trevor Blackwell.
A Globe and Mail article described the device as a "rainbow-coloured jungle gym of discarded wrought iron welded into an outlandish Dr. Seuss-like contraption topped by a colossal wire umbrella and powered by a unicycle", adding that "one rider pedals while a grab bag of musicians (the Subtonic Monks) ride, playing improvisational rhythms".
In 2010, he won the world championship in artistic unicycle at Unicon XV, the international unicycling competition held in Wellington, New Zealand.
Also seen in the background of Kevin's apartment is a unicycle, which also is a reflection on Jerry's bicycle hanging in his apartment, and a PC - the opposite of Jerry's Mac.
She made guest appearances on the Merv Griffin Show and The Tonight Show Starring Johnny Carson before becoming a regular on the CBS television show Hee Haw as the 'unicycle girl'.