Practicing drawing skills

Hi guys!! I've lately started to get very interested in animation and animation characters. Being Disney the " big monster of animation" I put my drawing skills and knowledge into drawing some of my personal favorite Disney characters. Although I prefer to make up my own characters and not just copy, I think it's a very useful thing to do in order to get better at drawing. I've also created some new drawings of my own recently that I'll be posting later this week.
Would love to have some feedback, thoughts suggestions etc.
 Anyways, here they are:

And in more detail:

Hope you enjoyed them!! ;)