Suggestions by @darkstorm

Jason Marsden

as Garfield Lynns in Batman: Wayne Family Adventures - The Animated Series

Score: +2

Crispin Freeman

as Garfield Lynns in Batman: Wayne Family Adventures - The Animated Series

Score: +2

Jason Spisak

as Drury Walker in Batman: Wayne Family Adventures - The Animated Series

Score: +1

Christopher Corey Smith

as Drury Walker in Batman: Wayne Family Adventures - The Animated Series

Score: +1

Maurice LaMarche

as Victor Fries in Batman: Wayne Family Adventures - The Animated Series

Score: +1

Keith David

as Uxas in DC Animated Voice Cast

Score: +1

Jason Watkins

as Alfred Pennyworth in DC Animated Voice Cast

Score: +1

Hamish Linklater

as Bruce Wayne in DC Animated Voice Cast

Score: +1

Keith David

as Darkseid in Ben 10/Justice League: The Series

Score: +5

Xolo Maridueña

as Jaime Reyes/Blue Beetle in Young Justice (DCAU)

Score: +1

Jason Schwartzman

as Calculator in Ben 10/Justice League: The Series

Score: +3

Jason Schwartzman

as Noah Kuttler in Batman: Wayne Family Adventures - The Animated Series

Score: +1

Hamish Linklater

as Bruce Wayne in Batman: Wayne Family Adventures - The Animated Series

Score: 0

Jason Watkins

as Alfred Pennyworth in Batman: Wayne Family Adventures - The Animated Series

Score: +3

Hamish Linklater

as Bruce Wayne in Justice League vs. Godzilla vs. Kong

Score: +3

Jason Watkins

as Alfred Pennyworth in Ben 10/Justice League: The Series

Score: +3

Jason Spisak

as Noah Kuttler in Batman: Wayne Family Adventures - The Animated Series

Score: -1

Neil Patrick Harris

as Edward Nygma in Batman: Wayne Family Adventures - The Animated Series

Score: +1

Andrew Scott

as Edward Nygma in Batman: Wayne Family Adventures - The Animated Series

Score: +1

David Tennant

as Edward Nygma in Batman: Wayne Family Adventures - The Animated Series

Score: +1