um, isn't the official English title 'Super Space Sheriff' given that was used from the official YouTube channel, TOEI TOKUSATSU WORLD OFFICIAL that had uploaded the trailers for it?

Yeah it is SUPER. This sounds like a Tv-Nihon style group that makes up translations.

because Hyperspace Sheriff sounds cool official names are for official people to officially worry about. we have more leeway to do what we want because we're fansubbers

FlameTaJaDoru: Translation of what you said "We are fansubbers and we are SUPER CEREAL"