GENERAL ISSUES ABOUT CHARACTER DESIGN
[New section!] Over-mirroring aka sticking too much in patterns of the original series!
INTRODUCTION: DESIGN OF CHARACTER'S LOOKS: WHAT IS ITS ROLE IN THE WHOLE CHARACTER DESIGN?
At first: No costume can save a badly made character. Your Average Joe/Jane character won't become any more interesting even if you make him/her to wear turquoise hair and odd-colored neon-color eyes. What makes character interesting is his/her INNER SIDE: his/her personality, history, skills, behavior pattern, odd traits, running gags, simply WHAT (S)HE IS. A rye bread doesn't become into a cream cake even if you put on it whipped cream and strawberries.
However, a good design may help the reader/viewer to notice, tell apart and remember the character more easily. That's why all Naruto characters are not sporting black hair and wearing those green tactical vests: if all character seemed almost similar, it would be pain for the reader to tell who of th