There were many animes with strong male leads that could be awesome at the beginning or later. The following were some of them: 1 Kirito in the Sword Art Online: At first, he was an ordinary high school student, but he gained powerful abilities in the game and became a real hero. 2. Alan in Attack of the Giants: At first, he was an orphan, but through constant battle and growth, he became a powerful warrior. 3. Naruto Uzumaki from Naruto: At first, he was a weak ninja, but through continuous hard work and growth, he became a powerful ninja master. 4. Cheshi in Fate/Zero: He started out as an ordinary person but gained great power through interacting with the Holy Grail and became a legendary hero. 5. Shigumi Hiroshima in The Gate of the Stone of Destiny: At first, she was an ordinary person, but she became a real hero by discovering clues to time travel. These male protagonists were very powerful at the beginning, but as time passed, they continued to grow and improve, eventually becoming powerful heroes or leaders.