poke'maniac
poke'maniac:noun. A person, usually a teenager who has a love or obsession to the Poke'mon franchise and its characters.  This is generally present in introverts and less social kids who as children were introduced to poke'mon.  Whining for cards is common in younger kids and staying up 6 and a half hours just to play the DS, claiming "I have to capture Mewtwo!"  2. Anyone of the various trainers in the video games.
Jimmy is such a poke'maniac, heck just last week he killed a guy who wouldn't give up a pikachu card.