James Montgomery Jesse is a criminal from Earth-90.
At some point, he became wanted for murder in six states. He was also obsessed with Megan Lockhart, who he abducted several times and forced to become his sidekick, Prank.
He later battled with The Flash and was defeated by him, which put him on trial Until Zoey Clark freed him from imprisonment. He soon recruited her as the second Prank.
Determined to get revenge, he Captured The Flash and brainwashed him to be his servant. The trickster rain supreme over Central City until The Flash snaps out of it and defeats both Jesse and Clark. He was then re-imprisoned.
He, along with all the other denizens of Earth-90, likely perished when Mar Novu devastated their world, leaving The Flash of that Earth as its only survivor.