Suggestions by @eaglemanstudios

Troy Baker

as Sky Byte in Transformers: Robots in Disguise 2001 (English Redub)

Scott McNeil

as Jetfire in Transformers

Samuel L. Jackson

as Lhikan in BIONICLE - Legends of Metru Nui

Arnold Vosloo

as Sidorak in BIONICLE - Legends of Metru Nui

Peter Cullen

as Optimus Prime in Transformers Prime: Dreadwood

Kenichi Mochizuki

as GRINDCORE in TRANSFORMERS DARK OF THE MOON ANIME PREQUEL: RISING STORM (JAPANESE LANGUAGE)

Doug Bradley

as Shockwave in Disney's Transformers: DX (second version)

Terry Klassen

as Skyblast in Disney's Transformers: DX (second version)

Tomoyuki Shimura

as WING SABER in TRANSFORMERS DARK OF THE MOON ANIME PREQUEL: RISING STORM (JAPANESE LANGUAGE)

Susumu Chiba

as Skydive in Transformers: Unicron (トランスフォーマー: ユニクロンアーク DX))

Sam Vincent

as Skydive in Transformers: Unicron (トランスフォーマー: ユニクロンアーク DX))

Scott McNeil

as Levitacus in Transformers: Generation Neo (戦え!超ロボット生命体トランスフォーマージェネレーションネオ)

Nathaniel Lees

as Megatron in TRANSFORMERS: DARK OF THE MOON (JACKSON'S DIRECTION)

Daniel Radcliffe

as Vakama in BIONICLE - Legends of Metru Nui

Kenichi Mochizuki

as Crosswise in Transformers: Unicron (トランスフォーマー: ユニクロンアーク DX))

Michael Donovan

as Crosswise in Transformers: Unicron (トランスフォーマー: ユニクロンアーク DX))

Taichi Saotome

as Blades in Transformers: Unicron (トランスフォーマー: ユニクロンアーク DX))

Paul Dobson

as Blades in Transformers: Unicron (トランスフォーマー: ユニクロンアーク DX))

Kazuyuki Okitsu

as Rodimus in Transformers: Unicron (トランスフォーマー: ユニクロンアーク DX))

Josh Keaton

as Rodimus in Transformers: Unicron (トランスフォーマー: ユニクロンアーク DX))