Alex Danvers, a central character in Supergirl, is the biological daughter of Jeremiah and Eliza Danvers. They also have an adoptive daughter, Kara Danvers, who is Alex's adoptive sister.

Alexandra "Alex" Danvers Ph.D. M.D., also known as Sentinel, is a fictional character from the Arrowverse television series Supergirl, portrayed by actress Chyler Leigh.

Dr. Alexandra "Alex" Danvers is the deuteragonist of the CW's TV series Supergirl. She is the adopted sister of Kara Danvers who is also known as Supergirl. Alex is also the daughter of Jeremiah and Eliza Danvers, the ex-fiancée of Maggie …

As Sentinel, Alex Danvers has a protective suit while using the Hand of the soldier. As a former agent and director of the D.E.O., Alex also wore a black suit. After she quit the D.E.O., she returned the suit.[1]

Alexandra "Alex" Danvers is the deuteragonist of Supergirl. She is the daughter of Eliza Danvers and Jeremiah Danvers, and the adoptive sister of Kara Danvers aka Supergirl. Alex is an agent for the DEO and joins her sister in defending the Earth …

Alexandra "Alex" Danvers is Kara's adoptive sister and former director of the D.E.O.. After leaving the organization, she took on Sentinel's mantle and serves as a vigilante in National City.

Alex Danvers was an individual who served under "Superman" in an alternate reality created by John Deegan. When Alex was seven years old, she and her parents went to Nagano, Japan for the summer. Alex was homesick, so one night a girl from the village helped her sneak down to one of the temples.