The Deepking - The Depths
Something to note about the buccaneer is that someone could become infected by the buccaneer but will only begin to transform once the buccaneer wills it thereby creating the potential for sleeper agents.
The Last Hour
About 50 others are either considered missing or have been brainwashed into omega's organization with her sleeper agents becoming metamorphs themselves.
The Serpentine Bodyguard Part 2 (Commissioned by Chobin)
Was clark some kind of alien sleeper agent? was he the first of many to get replaced by an alien impostor?
The Manimal Chronicles #16: In-PSI-de Out
I imagine they intend to brainwash us into becoming sleeper agents of psi." he looked down at supersonic. "you'd be their mole inside primus." supersonic shivered, remembering what nightmunk had told him.
Open House: A Pink and Blue Diaperfur Identity Adventure: Level Two
And our sleeper agents had to stay in deep cover." a squat, chubby hedgehog with a pair of headphones around his neck, slowly shaking off the effects of the drugged warm milk, scanned the boys around him, counting quickly. "where's my buddy?"
Chapter 12: Paladins of Stone and Steel
That suggested that there was a sect of the _custodia goetia_ here or at least sleeper agents. from what melody had told them, char could not invade people’s minds and could only take over those that _let_ him in.
NOVA - No One's Holiday Anywhere
“my bet is that you’ve got a network of sleeper agents that you could unleash at any moment.
Arcadia: Cemented
Ultimately, they were all absorbed into the builder sense of work ethic and forgotten but they were effectively my sleeper agents.
Understandings
They have 'sleeper agents' seemingly everywhere- people who hide their allegiance to the dawn and go about acting like ordinary citizens. it seems that i've proven a dangerous enough opponent for them to drop their act, even in public." "but...
Infernal Affairs
A sleeper agent, essentially, ready to leap into action when he saw his mark and no sooner. legion had picked him well.
Two against the world 11-15
We have sleeper agent working inside the zpd. always passing viable information and acquiring things we need. that officer managed to get paws on couple of howlers from the case. that is all we needed." "how do you know that they won't go full savage?
The Black Collar: The Endless Emptiness
“so they might be sleeper agents,” kirra said. “hiding amongst the guards and waiting for their chance to strike out at another dragon.” “kirra,” nylah said, her voice life a knife poised to cut kirra long and deep.