Stargirl

Courtney Elizabeth Whitmore, known as Stargirl (often called "Stars" or "Star"), is a fictional superhero created by Geoff Johns and Lee Moder who appears in American comic books published by DC Comics. The character's name, appearance, and personality were patterned after Johns' sister Courtney, who died in the explosion of TWA Flight 800 in 1996.

Courtney Whitmore was originally known as the second Star-Spangled Kid, but she began using the name "Stargirl" after she was presented with the Cosmic Staff by Jack Knight.

Courtney Whitmore, stepdaughter of Pat Dugan, finds the original Star-Spangled Kid's gear in her stepfather's belongings. She dons the costume to annoy Dugan, as she resents his marrying her mother and moving the family from Los Angeles to Blue Valley, Nebraska. Dugan, a skilled mechanic, designs and builds S.T.R.I.P.E., a robotic suit that he uses to accompany and protect her.

During her time in Blue Valley, her frequent nemesis became the young villainess known as Shiv, daughter of the immortal Dragon King. Their most recent rematch was in Infinite Crisis, on a page added to the hardcover edition.

Stargirl has appeared in Justice League Unlimited, Batman: The Brave and the Bold, Justice League Action, and Young Justice. She has also appeared in live-action shows Smallville played by Britt Irvin, Legends of Tomorrow played by Sarah Grey, and in her own television series played by Brec Bassinger.

Iago PUC's ideas

 * Stargirl is a recurring character in Iago PUC's Justice League/Teen Titans Animated Universe, voiced by Natalie Lander. A young scout member of the Justice League and honorary member of the Teen Titans, this version's Cosmic Staff shares powers and functions equivalent to those of a Lantern's power ring, such as working only for those who were chosen to wield, and allowing the wielder to fly and project energy-based constructs; it is also revealed that the Staff is a creation of the Guardians of Oa. She is one of Supergirl's closest friends, and is in a romantic relationship with Green-later-White Lantern Corps member Kyle Rayner. She also has a cousin and surrogate brother named Felix (voiced by Robbie Daymond), who donned a Cosmic Helmet with the same functions of Courtney's Cosmic Staff and became Star Hunter, and is a member of Terra's Knights of Rao.
 * Stargirl is a playable character in Marvel/DC Heroes Unite!, voiced by Natalie Lander. This version is depicted as a member of the Teen Titans, and is a protegee of Hal Jordan / Green Lantern and Carol Ferris / Star Sapphire. Along with the same capabilities as in the comics, Stargirl's Cosmic Staff can also produce star-made light constructs. In the game's main story, during the DC heroes' alliance with the Marvel heroes, Stargirl becomes best friends with Kamala Khan / Ms. Marvel and the Rookie hero/heroine.

Coolot1's ideas

 * Courtney Whitmore / Stargirl appears in DC: Unlimited Rebirth, voiced by Dove Cameron. Along with her same powers and abilities from the comics, this version is one of the Daughters of Wonder Woman, and was one of Diana's adopted children; she was adopted by Diana after her parents were killed during an riot in Cale Pharmaceuticals caused by Intergang and orchestrated by Tobias Whale, to which Courtney currently blames both the company's CEO Veronica Cale and Whale for. Her Cosmic Staff (renamed the Star of Rao) was created by the smithgod Hephaestus and the Guardians of Oa in homage of Superman after he helped stop Ares' invasion of Themyscira and Metropolis. She is the second youngest of the Daughters. Her costume is a one-piece leotard version of her comic book outfit, with her mask replaced for a star-shaped tiara. She is also the potential love interest of Billy Batson / Shazam.

Moon Silvight's ideas
See also: Stargirl (Injustice 2 DLC)
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Joint ideas

 * A version of Stargirl appears as one of the titular protagonists in the comic book series Starfire and Stargirl. This version is depicted as the adopted daughter of Princess Diana / Wonder Woman who grew up to become a crown princess of Themyscira along with her adoptive sisters Cassandra and Lyla the Harbinger. Her Cosmic Staff was created by Superman and the Guardians of the Universe, and has the same powers and capabilities of a Green Lantern's power ring, as well as the ability of Star Manipulation. She is also childhood best friends with Starfire, whom she has romantic feelings for.