Mostly bugs
The Plumed Basilisk of Central America and holds the record for the fastest lizard. Second is Crotaphytus c. collaris (Eastern Collared Lizard). Frilleds put on a big display, but in reality, they're...
Most frilled lizards are in Australia.
Yes. That is just a different name for it
NO, please DO NOT put a frilled lizard with no other lizard that's not its oposite sex or smaller than it.
Common USA lizards eat bugs and other invertebrates. Most common bug is crickets.