Formerly known as Tyler Black as a ROH World Champion. He later joined forces with his NXT friends, Dean Ambrose and Roman Reigns as The Shield, and won his first championship while in the group. He would later become a two-time WWE World Heavyweight Champion and has headlines numerous events.
He won the WWE Development League's first NXT Championship.
He won numerous championships in the Florida Championship Wrestling circuit.
He was born Colby Lopez in Davenport, Iowa. He was briefly engaged to Leighla Schultz in 2015. In August 2019, he got engaged to WWE wrestler Becky Lynch. Becky and Seth married in June 2021. Their daughter Roux was born in December 2020.
He made his WWE TV debut alongside John Cena, when he was shown training in Cena's gym.