This year’s Arrowverse crossover, “Elseworlds,” brings several key new characters to The CW’s shared superhero universe. One of these is the Monitor (played by LaMonica Garrett), an omniscient being who watches over the entire multiverse and whose presence foretells dire things to come for the Arrowverse – namely, some kind of “Crisis.”
To help get you up to speed on this character and his enemy, the Anti-Monitor, here’s everything you need to know about the Monitor and his role in the DCU.
Note: this article has been updated with a few spoilers for “Elseworlds” Part 1 and Part 2, which introduced Batwoman.
Source: IGN.com Is Arrow's Elseworlds Crossover Teasing a Crisis on Infinite Earths?