Unfortunately not! I'd have to put my foot down on this one, the rule against apping closely related characters stands-be they rivals, love interests or family members.
If you want, you can consider playing a quiet character an exercise in saying more with less.
Re: Revya and Gig
If you want, you can consider playing a quiet character an exercise in saying more with less.
Fem!Revya is superior anyways. :P</small.