I mained Jann in 4, Hitomi in 5U, but now I solely main Akira.
Free Step Dodge
Hazard
Nikotsumi
My main was Kasumi back in the DOA4/DOA5 vanilla days and also in 5U before Marie was released. Then I switched to Honoka in LR and began to re-main Ein as well (he was my main in DOA2/3).