Animation in CorelDraw!

Hi! i wanted to start a youtube channel just like theodd1sout as i know he uses a program called Paint Tool Sai i am not good at that program i got some skills in coreldraw but i need some tips for the character that i am gonna made i want a flat 2D character i made my own character but there were some many mistakes like shadows,colors etc. it would be so helpful if someone shares a sample or any helping object.

(sorry for my bad English!)

This is the images of theodd1sout character

Thanks in Advance