Tim and Cassie (Batman and Wonder Girl)

Tim and Cassie (Batman and Wonder Girl) comission. Swipe to ZOOM IN. 😉 if you see some differences and tell me what they are lol.
Who is your favorite Robin?
By the way, we are about to hit 13K. I would be glad if you help me to achieve my goal through sharing my artworks with credits! ❤️❤️❤️😍🙏🏻
Commissions open and colored portraits are in discount!
Sketch + ink + colour by me.
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Artstation: olifuxart
DeviantArt: watermelonkid