The Flash

Beast Boy

Garfield Logan

Wonder Girl

Donna Troy

Red Tornado

an android, Ulthoon / John Smith

Amanda Waller

DC

Swamp Thing

Alec Holland

Iris West Allen

girlfriend/wife of The Flash

Captain Cold

Leonard Snart

Mister Miracle

Scott Free

Gorilla Grodd

Flash villain

The Atom

Ray Palmer

Arsenal

Roy Harper

Hawkman

Katar Hol, Thanagarian

Impulse

Bart Allen

Changeling

Garfield Logan

Weather Wizard

Mark Mardon

Shayera Thal

Hawkgirl / Hawkwoman, Thanagarian

Linda Park West

wife of Wally West (the Flash)

Johnny Quick

Johnny Chambers

Heat Wave

Mick Rory, from Flash

Highfather

DC, Fourth World

Jesse Quick

Jesse Chambers

Max Mercury

The Reverse-Flash

Eobard Thawne

Bumblebee

Karen Beecher-Duncan, from DC

Mark Mardon

Weather Wizard, Flash villain

Mirror Master

Evan McCulloch, from Flash

Trigon

demon father of Raven

Batman

Thomas Wayne

Trickster

Axel Walker

Kobra

Jeffrey Burr

Jai West

Surge, son of Wally West (the Flash)

Omen

Lilith Clay

Silas Stone

DC

Nora Allen

Barry's mom

The Clown

Nick Nolan

Sarah Charles

DC, S.T.A.R. Labs scientist

Zoom

DC, Hunter Zolomon

Mary West

Kid Flash's mother

Rudolph West

Kid Flash's father

Daniel West

New 52, Reverse-Flash

Don Allen

Tornado Twins

Dawn Allen

Tornado Twins

Mister Element

DC, Albert Desmond

Commander Cold

from Flash

Fastbak

DC, Fourth World

John Fox

Flash, 27th century

Heatstroke

from Flash

Weather Warlock

from Flash

Mirror Monarch

from Flash