From the wikipedia article on turducken
Internet legend James “Kibo” Parry in 2005, involves stuffing a tofurky (a tofu imitation turkey product) with an actual turkey stuffed with another tofurky to create a tofurkurkeyfurky. A similar variation was proposed by New York artist Claire Watkins, involving a Tofurky stuffed with a chicken called a “tofucken”; Lisa and Rob suggested a variation involving a Tofurkey stuffed with a chicken, stuffed with fish, stuffed with a bunny rabbit, called a ‘Tofuckenfunny