Well if my vote is worth anything, I'd rather you didn't....cause Tsabal would probably be the one for the ax. And I like her...and she's also the only who talked to me *cries pitifully to myself* but personality, history, and goals are unique to your characters. Similarities between characters are actually kind of a good thing. It allows for greater interaction, a basis for connection,  and cool ways to collaborate with someone and not be interacting at that time IC.

Just my opinion though.

Kind of like how Al and Serpica were designed as a pair, sure there's no basis of similarity but the function is the same.