X Parasite is a fictional organism featured in the popular video game series Resident Evil. It is known for its ability to infect and control living hosts, leading to various mutations and aggressive behaviors. The parasite is often associated with the creation of monstrous creatures, posing a significant threat to humanity. In the game, the X Parasite is a product of bioengineering, showcasing the dangers of manipulating biological entities. Its presence highlights themes of survival and the consequences of scientific experimentation, making it a central element in the storyline and gameplay dynamics.