Also, a mouse face is very pointed and narrow http://dreamatico.com/data_images/mouse/mouse-2.jpg Here you can see it from the side, a very like... kinda cone shaped? and the only other comment I can think to make is that the ears should be more circular and less oblong.
The mouse anatomy may not be perfect, but this picture of Matthias (I AM THAT IS, as inscribed on Martin's sword) is very well drawn. You did an amazing job here. :)
Maybe you could draw Cluny the Scourge next. Just a suggestion.
Link
MadFerret
To the one on the right specifically, mouse teeth are very different. http://www.skullsunlimited.com/userfiles/image/variants_large_3821.jpg As this skull shows, they've got the two big incisors for gnawing, and then a big gap between them and the molars.
Also, a mouse face is very pointed and narrow http://dreamatico.com/data_images/mouse/mouse-2.jpg Here you can see it from the side, a very like... kinda cone shaped? and the only other comment I can think to make is that the ears should be more circular and less oblong.