User blog comment:Darth Phazon/Question of the Week (10-27-2014)/@comment-860254-20141027192823/@comment-860254-20141027200745

the Melee voice was based on his anime appearances, where he was voiced by a male

if they follow that in 4, then he'll be a girl

or they could go for the male voice

I'd personally prefer the girl voice, its much cooler and gives him/her/it more personality then just "let me kill everything"