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.
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