Saw the post on reddit and decided to check in here. Looks really cool to see Glenn as a result of the Magus fight, very, very good job!
Years ago, I had an itch to get Glenn's running animation sorted out after seeing how it was handled in the Flames of Eternity hack. As I recall, there were 4 frames for Frog's running (hopping) animation, and that is what makes human Glenn look so weird when he's running. The other human characters have 6 frames, I believe - did you alter the 4 frames or find a way to extend to 6? P.S. there is a sprite sheet floating around this site from me with a 6 frame Glenn running animation.
Also, took a stab at a slightly modified overworld sprite for Frog/Glenn, by shaping a hood out of Frog's head.