I still type out Zero, because PS0 looks too much like PSO. Technically, it's "Phantasy Star Ř". I'm not looking up ASCII codes every time I want to differentiate PSŘ from PSO.
Pokémon... Pokemon... Brütal Legend...
Trust me, I was not trying to be critical or a know it all. I was just trying to Point out Sega's possible homage/subliminal message.