Just look at him. Flails his tendrils around like a massive monster looking to snap the necks of faggots. WOMEN DON'T HAVE TENDRILS AND ARE THIS FUCKING BEEFY! He's very similar to that, just infinitely more masculine.

You saw the new episode on neetball, so you know it's time to concede. He is male. Get over it. A female voice actor for his preevolutions does not prove anything.