Blue doesn't have a signature mon, Lance has Dragonite, Steven has Metagross, Wallace has Milotic, Cynthia has Garchomp, Alder has Volcanrona, Iris has Haxorus, and Diantha has Gardevoir.

We've seen three champions with pseudo-legendaries as their signatures, a champion with a mega evolution as hers, three with pokemon with nothing special about them as theirs, and a champion with no signature. What's another way to have an interesting champion signature pokemon besides something like busting out Pidgeot?