Suggestions by @cartoonmultiverse

Eminem

as Leonard Snart/Captain Cold in The Flash: The Fastest Man Alive

Fred Tatasciore

as Henry Allen in The Flash: The Fastest Man Alive

Liam O’Brien

as Harrison Wells in The Flash: The Fastest Man Alive

Sam Vincent

as Cisco Ramon in The Flash: The Fastest Man Alive

Paul Dobson

as Joe West in The Flash: The Fastest Man Alive

Judy Alice Lee

as Iris West in The Flash: The Fastest Man Alive

Cindy Robinson

as Nora Allen in The Flash: The Fastest Man Alive

Jack De Sena

as Barry Allen/The Flash in The Flash: The Fastest Man Alive

Dee Bradley Baker

as Alfred Pennyworth in Green Lantern: Rings of the Heart

Steve Blum

as Batman in Green Lantern: Rings of the Heart

Jack De Sena

as The Flash in Green Lantern: Rings of the Heart

Troy Baker

as Sinestro in Green Lantern: Rings of the Heart

Keith David

as Atrocious in Green Lantern: Rings of the Heart

Kevin Michael Richardson

as Kilawog in Green Lantern: Rings of the Heart

Madeleine Peters

as Arrisia in Green Lantern: Rings of the Heart

Seth Green

as Saint Walker in Green Lantern: Rings of the Heart

Melissa Altro

as Carol Ferris in Green Lantern: Rings of the Heart

Chris Pratt

as Guy Gardner/Green Lantern in Green Lantern: Rings of the Heart

Charles Martinet

as Ganthet in Green Lantern: Rings of the Heart

Brian Tyree Henry

as John Stewart/Green Lantern in Green Lantern: Rings of the Heart