Krillin is a fictional character from the popular anime and manga series Dragon Ball, created by Akira Toriyama. He is known for being one of the main characters and a close friend of Goku. Krillin is a skilled martial artist and has trained under Master Roshi, gaining various techniques and abilities throughout the series. Despite his small stature and often comedic personality, Krillin is brave and has played a significant role in many battles against powerful foes. He is also notable for being one of the few characters to achieve the status of Z Fighter, fighting alongside other heroes to protect Earth from threats.