For 10 points, name this location that includes Zrfff, the home of Mr. Mxyzptlk ["mĭks·yĕz′·pĭt·lĭk"].
In one storyline from Grant Morrison's JLA run, Hourman warns the league about an attack from this location that is heralded by fish falling from the sky above Surf City and a parrot that can receive satellite TV. A character from this location once told Batman that this location is imagination. With the (*) Bat-Mite, a character from this location often appeared in the World's Finest Comics of the 1950s, and a genie controlled by Johnny Thunder is actually a being from this location named Yz. The most famous being from this location appears to menace Superman as a "funny little man in a derby hat" and can only be defeated by having him say his name backwards. For 10 points, name this location that includes Zrfff, the home of Mr. Mxyzptlk ["mĭks·yĕz′·pĭt·lĭk"].
In one storyline from Grant Morrison's JLA run, Hourman warns the league about an attack from this location that is heralded by fish falling from the sky above Surf City and a parrot that can receive satellite TV.
The 5th Dimension