So after finding out that you can edit the game's animations, this was my first idea. It turned out to be incredibly easy but time-consuming.
And I did it.
Facial anims, walking, running, stopping, standing and sprinting are all fixed, I don't think I could fix anything else without breaking all other peds' animations.
Download here (2.0)
Fixed characters changing height depending on move state.
Added get up and jump animations, no idea how to actually use them yet, since replacing would break normal peds.
Added support for TBOGT and TLAD cutscene models.
Added new walkstyle for TLAD models to make them not float above ground.