Ariel + Mera (Aquaman's wife) = The Little Mera-Maid (check out her big fork for a trident too).
Cinderella as Emma Frost, The White Queen.
Jasmine as Donna Troy (Wonder Girl).
Mulan + Psylocke = Psylan.
Belle + Rogue = Southern Belle.
Briar Rose + Black Canary = Black Briar.
Snow White + Wonder Woman = Wonder White.
All of these amazing drawings were done by Tumblr artist Aegiskitty and you should check out her blog immediately.