In the case that it's the real artist, allow me to say a critiscism that might become constructive(at least I hope it becomes):
Athough technically the characters drawings are more expressive and detailed compared to the start, as well as the comics pacing have been getting progressively better, one thing that bothers me somewhat is how the characters look like they are drawn with reference base poses that are pre made so to speak; like front running, three quarters view neutral, sides crouching and etc., with the fatness, individual characteristic, and facial expression being added after; all of which done without much knowledge of tridimensionality in drawing.
This makes the characters, even though highly consistent in their sizes and proportions, appear rather repetitive and samey in the comic.
There is a slightly more diverse set of poses in recent comics, of which I can't deny, but they still look like they were pre-made to be adapted, instead of having it done specially for that moment.
As for advices I could give, I would say for:
1 - study tridimensional drawings and try to apply it in your characters, by simplifying them into basic shapes that can be rearranged into any pose possible (the webcomic Lackadaisy has a handful of tutorials about drawing, they're really intuitive)
2 - after having the tridimensional drawing figured out (even if roughly), try giving the characters more dinamic poses: make one of the hands rest on the hip while the other is hanging freely, have the shoulders and hips be tilted in opposite directions, have them curved slightly more to one direction, etc. etc.
3 - try changing the camera positions from time to time. Making the camera look from above can give a better sense of the setting to the viewer, and making the camera look from below can emphasize the size of a character in a moment
Hope I have made my point across and didn't come out as too rude so.