Yes, he has. Markiplier often does unique and entertaining segments, and this could be one of them. He likes to interact with different types of content related to his fan base, and reading fanfics, even the not - so - good ones, is a way to do that.
Well, his encounter in the old cemetery is quite memorable. He was filming at night, and as he walked among the tombstones, he felt a cold hand brush against his leg. He turned around but saw nothing. Then, he heard a faint crying sound that seemed to be coming from one of the fresh graves. It sent shivers down his spine.
One popular 'baby markiplier fanfic' might be those that focus on his adventures in a more innocent, child - like setting. For example, a story where he discovers a magical world as a baby - like version of himself.
Well, Markiplier's real horror stories are really thrilling. They often involve spooky situations, like haunted houses or encounters with unknown entities. His way of telling these stories makes them even scarier.
I don't think it's a true story. Such heist scenarios are often the creation of writers and storytellers to provide thrilling and adventurous experiences. There's no evidence to suggest it's based on reality.
His friends like Wade and Bob could be main characters. They would be the ones who first notice the change and try to help him. They might have some really funny reactions and also help him come to terms with being a girl. Maybe there could also be a mysterious character who caused the transformation in the first place and they have to find this person to reverse it.
I think it's the way they blend the concept of a mother figure with horror elements. Usually, a mother is associated with love and care, but in these stories, they subvert that expectation. They take something that's supposed to be warm and turn it into something cold and terrifying. For example, a mother who instead of protecting her children, is the source of their danger. This contrast makes the stories stand out.