¿Who is stronger, Lobo or Colossus?

Lobo is a powerful and dangerous character from the DC Universe, first appearing in the DC Comics series "Omega Men" in 1983. He is an intergalactic bounty hunter and assassin, and is one of the most feared and respected figures in the DC Universe. Lobo's story begins on the planet Czarnia, where he was born as the son of a scientist named Professor Velorkam. From a young age, Lobo displayed extraordinary strength and durability, and he quickly rose through the ranks to become one of the most feared and respected bounty hunters in the galaxy. As a result of his unique physiology, Lobo possesses a number of superhuman abilities, including strength, speed, agility, and durability. He is also immune to all forms of injury and disease, and is virtually indestructible. In addition to his physical powers, Lobo also has access to a wide range of advanced technology and weaponry, including his signature spacehog motorcycle and a number of powerful weapons, such as his regenerating chainsaw. Throughout his long and storied career, Lobo has clashed with many of the DC Universe's greatest heroes, including Superman, Batman, and the Green Lantern Corps. Despite their best efforts, these heroes have often struggled to defeat Lobo, making him one of the most formidable and dangerous villains in the DC Universe.

Colossus, also known as Piotr Nikolaievitch Rasputin, is a superhero from Marvel Comics who first appeared in Giant-Size X-Men #1 in 1975. Created by writer Len Wein and artist Dave Cockrum, Colossus is a member of the X-Men and one of the most powerful mutants in the Marvel Universe. Colossus' superpowers and strength are closely tied to his ability to transform his entire body into a form of organic steel. When in his steel form, Colossus gains incredible strength and durability, making him one of the strongest beings in the Marvel Universe. He can withstand powerful physical attacks, and his steel skin makes him impervious to most forms of harm. One unique aspect of Colossus' powers is that he can transform back and forth between his human form and his steel form at will. While in his human form, he retains his normal strength and abilities, but when he transforms into his steel form, he gains incredible power and durability. Colossus' origins are closely tied to those of the X-Men. He was recruited by Professor Xavier to join the team of mutants who were trained to use their powers for good. Despite his gentle nature, Colossus quickly became known for his incredible strength and courage, using his powers to fight against various villains and threats. Throughout his career, Colossus has had many memorable moments, including his romance with fellow X-Man Kitty Pryde, his leadership role in various X-Men teams, and his pivotal role in many Marvel Universe events. Overall, Colossus' superpowers and strength make him one of the most iconic mutants in the Marvel Universe. His ability to transform into organic steel gives him incredible power and durability, making him a formidable opponent for even the strongest villains.