Suggestions by @edvinromas1

Jess Harnell

as Ironhide in Transformers Runaway

Score: +1

Jason Marsden

as Benjamin "Ben" Tennyson in Ben 10: Alien Force (1998-2000)

Score: +1

Kevin Michael Richardson

as Metroplex in Transformers All shall fall

Score: +1

Christopher Swindle

as Wheeljack in Transformers All shall fall

Score: 0

Mark Ryan

as Lockdown in Transformers

Score: +1

Yuri Lowenthal

as Ben Tennyson in Stretch Armstrong & the Alien Force: Heroes United

Score: +2

Ashley Johnson

as Gwen Tennyson in Stretch Armstrong & the Alien Force: Heroes United

Score: +2

Gary Chalk

as Optimus Primal in Transformers Unleash the Beast

Score: 0

Corey Burton

as Brawn in Transformers: More than Meets the Eye

Score: 0

J.K. Simmons

as Ultra Magnus in Transformers: More than Meets the Eye

Score: +1

Corey Burton

as Megatron in Transformers: Animated Season 4

Score: -1

David Kaye

as Khyber in Ben 10 : Unlimited Force

Score: +1

John Kassir

as Zombozo in Ben 10 : Unlimited Force

Score: +1

Yuri Lowenthal

as Albedo in Ben 10 : Unlimited Force

Score: +1

Richard Horvitz

as Sublimino in Ben 10 : Unlimited Force

Score: +1

Christopher McDonald

as Captain Nemesis in Ben 10 : Unlimited Force

Score: +1

Kari Wahlgren

as Charmcaster in Ben 10 : Unlimited Force

Score: +1

Dylan O'Brien

as Bumblebee in Transformers: Primus Season 1

Score: +2

Khary Payton

as Hex in Ben 10 : Unlimited Force

Score: +1

Greg Cipes

as Kevin Levin in Ben 10 : Unlimited Force

Score: +1