Noun
expy (plural expys)
Contraction of expressway.
expy (plural expys or expies)
(fandom slang) A character in a work of fiction who is a stand-in for or knockoff of a character from an unrelated work or of a real person.
I like your novel but your protagonist is pretty clearly a Scooby-Doo expy.
A crane en route to remove Robert E. Lee statue involved in fatal collision south of downtown Dallas at Linfield Rd and 310/S Central Expy on September 10, 2017 in Dallas, Tx. Source: Internet
In 2011, in its fourth year, HighBall Halloween gained notoriety as it accepted its first Expy award. Source: Internet