Blackfire is a Tamaranean female student at Korugar Academy of DC Superhero Girls. She is Starfire's older sister. She was voiced by Hynden Walch who also voices her sister, Princess Bubblegum, Penny Sanchez, Wendy Darling, and Alice Liddell (Disney) in any other Disney games.
Blackfire has a fair skin complexion. She also has long flowing blackish purple hair, and violet eyes. She wears a black crop top and a black matching mini skirt with a sliver belt.
Blackfire is voiced by Hynden Walch in the English version of the cartoon, making her first appearance in the second movie; Intergalactic Games.
Sheappears in "The Day of Funship", where she and Starfire are having some sisterly fun, which she gets bored with. At the zoo, she and Starfire use a Tamaranian nursery rhyme to defeat King Shark. Blackfire is leaving to return to Koragar Academy, but promises to see her younger sister for Tamaran Sovereignty Day, and admitted that she did have fun hanging out with her "kinifster" after all.
Her final appearance was in the two-part Season 4 episode "Tamaranean Dance Club", she appeared as cameos to do the traditional Tamaranian dance (translates to"domination battle" in Tamaranian) against her overly joyful younger sister, Bumblebee, Wonder Woman, Katana, Supergirl and Batgirl, who defeated her and her fellow Korugar Academy students.