maby you should make spikes on the tail(the part that seems as an @$$)
and/or put it some to the left and do uhh..(hard to explain):

(oh my drawing looks so good

)
also some things are kind of strange that need some attention(I don't say you have to change it, I've just marked some things that looked weird to me):

-the knee, maby you should put it a bit higher
-The pants, it looks like a skirt now.
-the line under the belt, it looks weird
-the finger(with the red circle round it) maby you should put it some to the right
-you should also check the other things out I redlined

It looks good so far, keep up the good work
Edit:
something i happend to notice later, the left foot, it only has 3 toes, you should make 1 extra...or at least a part of the nail