Important part of character design is giving the character history. This is the story for the tutorial character.
Animation character creation in brief with tips. These are for those new to characters and for those wanting to compare workflows.
An animation production should start from a good story and careful design. Read what happens when it has neither of those things.
Many go into animation production before considering what is possible. Why not be sensible? Ease your way and make sure you can finish it, too.