Board Thread:Questions and Answers/@comment-67.1.246.12-20130810173702/@comment-4913740-20130829012242

My mistake. I meant to say he wasn't born at the same time, so he's younger than Solid and Liquid.

However, being a younger clone - as well as the fact that accelerated aging doesn't kick in until much later - it would be a stretch for Solidus to appear at the age of Eli (who seems to be about 12-13 - same as Solid and Liquid).

He found Jack as a teen in '89 if I recall correctly. So he was likely born approximately two years later, depending on how you define a teenager (I see it as a 13 year old, but sometimes it's defined as even earlier)