Can often be a tricky foe to tackle.
A lot of creative thinking is needed to create your own character from scratch. Many of the classic characters familiar from cartoons, advertising and movies look straightforward, but a vast amount of effort and skill will have gone into making them so effective.
Many character designers will start their project with a sketch. And most agree designers agree this is often where the essence of the character is captured. So when you're working up your design, make sure you don't lose that magic.
Step away from the reference material.