¿Who is stronger, Thanos or Muten Roshi?

Thanos is a powerful and malevolent character from the Marvel Universe, first appearing in the Marvel Comics series "The Invincible Iron Man" in 1973. He is a powerful alien warlord from the planet Titan, and is one of the greatest threats faced by the Marvel Universe. Thanos' story begins on the planet Titan, where he was born as the son of Eternals A'Lars and Sui-San. From a young age, Thanos was obsessed with death and the pursuit of power, and he quickly rose through the ranks to become one of the most feared and respected figures in the Marvel Universe. As a result of his Eternal heritage, Thanos possesses a number of superhuman abilities, including strength, speed, agility, durability, and regenerative powers. He also has access to advanced technology, including a suit of armor that enhances his physical abilities and a number of powerful weapons, such as the Infinity Gauntlet. The Infinity Gauntlet is a powerful artifact that allows Thanos to manipulate time, space, and reality itself. With it, he is able to erase entire galaxies from existence, and has even been able to defeat some of the most powerful beings in the Marvel Universe. Throughout his long and storied career, Thanos has clashed with many of the Marvel Universe's greatest heroes, including the Avengers, the Guardians of the Galaxy, and the X-Men. Despite their best efforts, these heroes have often struggled to defeat Thanos, making him one of the most formidable and dangerous villains in the Marvel Universe.

Muten Roshi, also known as the Turtle Hermit or Master Roshi, is a pivotal character in the "Dragon Ball" series. Born in the year 430, he is renowned as the master of the Turtle School and one of Earth's most formidable martial artists. Throughout the series, Roshi has trained key figures such as Goku, Krillin, and Yamcha, imparting iconic techniques like the Kamehameha. Despite his elderly appearance and often humorous demeanor, he possesses exceptional strength and skills, demonstrated in various tournaments and battles. Beyond his role as a mentor, Roshi has been an active member of the Z Fighters, participating in Earth's defense against numerous threats. His longevity and wisdom make him a respected and beloved figure within the "Dragon Ball" universe.