Theo Daniels (Guardian Arrowverse: Earth-1)

Theodore "Theo" Daniels is a citizen of Central City and one of the two non-meta members of Team Flash. Theo and his sister Claire grew up next door to the West family and as he grew older, he began to develop a small romantic attraction to Iris West, but never acted on it because of her close friendship with Claire. Theo followed in the footsteps of his mother and went to law school where he graduated at the top of his class. His high marks is what led him to be hired by Dr. Harrison Wells to be the head of his legal team at S.T.A.R Labs as well as be his personal attorney.

While working for S.T.A.R Labs, Theo became close friends with his co-workers Ronnie Raymond, Cisco Ramon, and Dr. Caitlin Snow. After the Particle Accelerator explosion, Theo was one of the few employees to stay on with Dr. Wells and continue his duties. He's also one of the original members of Team Flash, along with Dr. Harrison Wells, Dr. Caitlin Snow, Cisco Ramon, Elizabeth Mendel, Lorelai Snart, and Barry Allen.

Theo is the older brother of Dr. Claire Daniels-Allen/Carbuncle, the husband of Iris West-Daniels, and best friend of the late Ronnie Raymond/Firestorm. He is also close friends with Dr. Caitlin Snow/Frost, Cisco Ramon/Vibe, Barry Allen/The Flash, Lorelai Ramon/Ice Princess, Elizabeth Mendel/Mother Nature/Mother Dragon, and Ralph Dibny/Enlongated Man.