(This is just to help me keep track, as I can be forgetful.)
AT for Lumen-Terra, Lumen
DT for Vilarinites, Lion or Tiger Anthro Warrior
AT from Lumen-Terra, CAD
YCH from Straycatz90, Solarstrike
DT from Vilarinites, Beast
Transformers: Where Loyalties Lie
Transformers AU comic; multiple Issues. Character(s) focused on changes with each Issue.
See Not, Speak Not
Transformers AU comic; one Issue. Characters focus on: Skit & Dash.
Villain OC origin story; one Issue, possibly multiple chapters. Character focus: Professor Jeremiah Wilhelm, alias "Bygone".
Transformers Prime origin story; one Issue, possibly multiple chapters. Character focus: Blitzwing.