So despite the Silver Age outlier, it's accepted that Supergirl is indeed older than her cousin, at least in terms of who was physically born first. However, no matter how many years Kara can claim, the end result is her being younger than Superman.
She is the biological cousin of Superman, and although chronologically older than him, the ship in which she traveled to Earth was caught in a large green Kryptonite meteorite which held her in a state of suspended animation for much of the journey, making her have the appearance of a 16-year-old girl.
Superman however spent decades growing up on Earth. Making Clark Kent at the beginning of his career in his mid twenties, but in most versions when he meets Supergirl it's when he's already in his thirties. While when Supergirl wakes up she's still biologically not even pass 20 year old.
How old is Kara Danvers in Supergirl? If you are talking about the TV show then she is 24 years old, however in the comics she is in the age range of 16–19. The interesting thing is that if she wasn't in suspended animation , then she would be between 34–54.
During the Invasion Mon-El and Kara had an affair which led to Kara's pregnancy with Mon-El's child. Mon-El kept the child a secret from his mother. Rose was born on Earth during the invasion of the Daxamites. Her father was "forced" to marry Lena Luthor and his mother said that they will produce an heir.
If age is how long we've been living, growing, experiencing etc, then Kal is the older cousin, because he has lived more years of life than Kara. However, if you define age as time passed since birth, that would make Kara the older cousin, because she was born 12 years before Kal, on Krypton.
In summary, Supergirl has significantly more potential than Superman, but whichever Kryptonian has more yellow star radiation will have access to even greater powers. Ultimately, neither hero is limited by their build, their age, or even their training.
In Peter David's Supergirl series, this Linda Danvers finds herself in another alternate reality with a Silver Age Superman. When he discovers that this Supergirl isn't really his cousin, they fall in love and get married.
In the long history of the DC Universe, one of the most powerful beings to ever exist is, naturally, the daughter of Superman and Supergirl. But since the two heroes are Kryptonian cousins, their superpowered offspring has a forgotten Superman-family replacement to thank for her creation.
Kara-Zor-El, also known as Supergirl and Linda Lee Danvers, is a Kryptonian superhero based in Midvale and later San Francisco, New Athens, New York City and Chicago. She is the cousin of Superman, and for a long time served as his "secret weapon".
Kara inevitably dies being murdered by Zod. Despite the Flashes attempts to prevent the deaths of Supergirl and Batman, the older Barry concluded that there was no timeline in which Supergirl survived her fight against Zod, something he considered an inevitable Intersection that could not be altered.
Zor-El would often share his work with Kara, fondly acknowledging her as a fellow scientist. However, Zor-El was also revealed to be a ruthless pragmatist if necessary. To fight against potential alien invasions, he created the Medusa virus to eradicate all life other than Kryptonians on a large scale.
Although she and Supergirl are biologically the same person, there are vast differences between the two. Power Girl is much older than her Prime-Earth counterpart, and as such has a more curvaceous and voluptuous figure, with her most notable feature among fans being her large breasts.
A mythical being, Mephisto can do anything he wants, quite literally. He can have any superpower he likes and his strength increases endlessly. With every soul that he takes, he becomes more powerful. Supergirl cannot match Mephisto in terms of strength nor can she hurt him with anything.
There are few warriors in any universe that could defeat Thor. Unfortunately, Supergirl isn't one of them. The fight would level everything around them but Thor would eventually come out on top.
Batman defeats Supergirl using Klurkor, a specialized martial art taught on Krypton, showcasing his resourcefulness and ability to strategize against powerful opponents. Klurkor gives Batman a major advantage against Kryptonians, as he can utilize it to take on foes without relying on his usual gadgets or Kryptonite.
She was roughly 25 when she donned Supergirl's colorful costume and she is now about 30 years old when Supergirl season 6 begins. There's a significant discrepancy with her age since Kara is actually much older than 30 - in Krypton years, Kara Zor-El is 54 years old.
Kara was sent to Earth from the dying planet of Krypton to protect her younger cousin, Kal-El. But her pod got knocked off-course by Krypton's explosion, sending her ship into the Phantom Zone; where she slept for 24 years, while being suspended in time and not aging.
How old was Kara Zor-El when Krypton was destroyed?
When she was thirteen years old, Kara was sent to Earth from the dying planet of Krypton, charged with protecting her baby cousin Kal-El. Her mother told her that due to Earth's yellow sun, she'd have extraordinary powers and go on to do amazing things.
Kara Zor-El has never had a child in the current continuity. By the time she was introduced into the current continuity, she was only sixteen years old. In that time, she's spent much of her time operating as a superhero or trying to figure out a way to restore Krypton or get revenge for the planet that she lost.
As most comic book readers know, Krypton's gravity is much denser than Earth's. And it's a known fact that Supergirl lived on Krypton for much longer than Superman, who was just a baby when he was sent to Earth. It's assumed that living in Krypton's harsher environment that Supergirl would have the upper hand.
Half Kryptonian and half-human, Jon is the biological son of post-Crisis Superman/Clark Kent and Lois Lane and the couple's child in DC Comics canon. His parents named him in honor of his grandfathers, Jonathan Kent and Samuel Lane.
