A lot of newcomers mistake trolling for outright malevolence when it really is just good harmless fun most of the time. I never do it though, mainly because I enjoy the game my own way, and when someone does it, it just encourages me to play their way. Depending on my mood, I either continue to...
If Algill had a Level 3 HCCE (Hyper Critical Combo Edge), he'd call his chair on you, sit on it, then rise in the air and use Seraphic Wing.
Oh, and he shoots flaming/frozen bubbles.
Personally, my issues with Mitsu are:
-His auto-aim verticals
-Phantom grabs
-Too much reward for safe moves (damage nerf, pls)
Other than that, Pyrrha may just happen to be an achilles' heel, so to speak. It's ok, I feel the same way about Maxi and Voldo. It's not that I think they're cheap...