Suggestions by @susiandsara

Christopher McCulloch

as Sergeant Hatred in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Steven Rattazzi

as Dr. Orpheus in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Doc Hammer

as Henchman 21 in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Doc Hammer

as Dr. Girlfriend/Dr. Mrs the Monarch in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Christopher McCulloch

as The Monarch in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Michael Sinterniklaas

as Dean Venture in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Christopher McCulloch

as Hank Venture in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Patrick Warburton

as Brock Samson in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

James Urbaniak

as Rusty Venture in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Dave Willis

as Handbanana in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Doc Hammer

as Steve (Dr. Weird's assistant) in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Christopher McCulloch

as Dr. Weird in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Matt Maiellaro

as The Mooninities (Ignignokt and Err) in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Dave Willis

as The Mooninities (Ignignokt and Err) in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Carey Means

as Frylock in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Dave Willis

as Meatwad in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Dana Snyder

as Master Shake in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Dave Willis

as Carl Brutananadiwelski in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Andy Merrill

as Brak in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Gary Owens

as Dad (The Brak Show) in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there