It flows very well, my only critics would be that the cape is a bit short (Maybe I'm too used to Alucard's long flowing cape), and his left leg doesn't go very much forward : it seems to have less mobility than the other leg.
I know the feel man. Same thing for me and any humanoid style anatomy. Not even dared try animation with humans yet.
This piece looks fine. Maybe a touch less frames, kinda got the arm movement of a full run but the leg movement of a 6pm jog.
Thanks, guys! That's actually really helpful to me. So I might mess with him some more now