The father of Red and Blue, but seeing how he and Purple are trying to take the two back, he isn't a good one. While slow, his mace and high damage is a force to be reckoned with.

Green definitely falls into the low vocal range, but medium could be possible if done right. The voice could also have some "Gravel" to it, but it is more of a preference than a requirement. Basically, big rough, tough and gruff guy is what you should aim for.