Juggernaut is a popular Marvel Comics villain and occasional anti-hero. His real name is Cain Marko, and he is the stepbrother of Professor Charles Xavier. Juggernaut is a large, muscular character with immense physical strength and durability.
In the comics, Juggernaut gained his powers after discovering a mystical ruby in a hidden temple. This ruby granted him invincibility and immense strength, making him nearly unstoppable. Juggernaut is best known for his unstoppable charge, which he uses to plow through any obstacle in his path.
Juggernaut has clashed with numerous heroes throughout the Marvel Universe, including the X-Men, Spider-Man, and the Avengers. He is often portrayed as a formidable foe due to his near-invincibility, but he has also been shown to have a softer side on occasion.
Juggernaut has been a part of various comic book storylines over the years, including a memorable battle with Colossus and the X-Men, as well as a storyline where he becomes an avatar of the demon Cyttorak. He has also been featured in video games, animated series, and movies, including the film Deadpool 2, where he was portrayed by actor Josh Brolin.