During the Anti-Monitor Crisis, Ramsey as well as everyone in the multiverse except for the seven Paragons, was killed in an antimatter wave by the Anti-Monitor on December 10, 2019, only to be restored a month later, after the Paragons and the Spectre created a new universe.

Who is Ramsey supposed to be in the Flash?

This season, the Arrow actor, who helped launch the CW's shared superhero universe, is returning as a director and guest star, reprising the role of John Diggle across most of showrunner Greg Berlanti's series: Superman & Lois, Supergirl, The Flash, Batwoman, and DC's Legends of Tomorrow.

What disease does Ramsey Rosso have?

He is Dr. Ramsey Rosso, a hemophiliac coroner using blood that should be evidence to research how to cure his hemophilia.