Characters Desing

Hello Adobe i am suffering from characters desinging 

Once i create a characters and convert to symbol for use others time but when i use that character and trying to modify so i am suffering from modifying then i create that characters one more time for my new animation and then modifing according to my requirment so i m requesting fix this problem.

if you are giving an option convert to symbols so provide us option convert to shape from symbol it will be more useful for animation cause nobody would like to recreate same character for his new animtion if provide the option of modification. 

we want for this modification for makes useful animation.

convert to symbol from shape.

convert to shape from symbol.