Thread:AhmedHadi1/@comment-39492511-20190718164951/@comment-32261140-20190719203833

Eren's Titan was referred to as the Mysterious Titan in the ep 8 sub, and the video games iirc.

Rogue Titan on the other hand is strictly a fan made name, so the wiki avoids using it. He's not mentioned as the Rogue Titan a single time (that I know of) in official material.