I assure you everyone has them. There's an abundance of evidence for this, no one is above the possibility of then coming out in the right circumstances.
If you can't let your dark-side out to play in a safe environment, you risk not knowing it well enough to keep it coming out in ways you didn't plan for.
Reference : The majority of murder and violent crime.
Someone famous, who is surrounded by homophobes and transphobes, was revealed, allegedly, to have engaged in a sex act with another man, with the further suggestion that the president of Russia has the photos and that might explain a few things
Then may I suggest starting with some Carl Jung?
His work on both Archetypes and Shadow-Self will be illuminating