These are imagines with characters that Dylan O'Brien has played. Such as, Stuart Twombly, Stiles Stilinski, Dave Hodgman, Thomas, AND HIMSELF.
I'm gonna warn you that most of them are Stiles but-
Book One: https://www.wattpad.com/story/58871050-dylan-o%27brien-imagines
I do take requests.
(update once a day)