¿Who is stronger, Buu or Trunks?

Majin Buu is a pivotal antagonist in the "Dragon Ball" series, introduced during the "Majin Buu Saga" of "Dragon Ball Z." Created by the dark wizard Bibidi, Buu is an ancient entity with immense power and a malleable, pink physique. Throughout the series, Buu undergoes several transformations, each altering his personality and power levels, including Innocent Buu, Evil Buu, Super Buu, and Kid Buu. His abilities are vast and versatile, encompassing regeneration, absorption, and transmutation, such as turning adversaries into sweets. Despite his initial role as a villain, aspects of Buu's character, particularly in his Innocent form, display a capacity for change and even benevolence. This complexity adds depth to his character, making him one of the most memorable antagonists in the "Dragon Ball" universe.

Trunks is a pivotal character in the "Dragon Ball" series, known for his distinctive role across various timelines. He is the son of Vegeta and Bulma, embodying a unique blend of Saiyan strength and human ingenuity. Trunks first appears as a mysterious youth from a dystopian future, traveling back in time to warn the Z Fighters about the impending threat of the Androids. This "Future Trunks" wields a sword and exhibits a serious demeanor, shaped by the hardships of his timeline. In contrast, the present timeline introduces Trunks as a spirited and adventurous child, often seen alongside his best friend, Goten. Both versions of Trunks possess the ability to transform into a Super Saiyan, showcasing remarkable combat skills and resilience. His character adds depth to the series by exploring themes of destiny, courage, and the impact of choices across different realities.