1. Chirabi, the Jinchuriki of the Eight-Tails, is a carefree and talented fighter who excels in taijutsu and swordsmanship, in addition to wielding the power of the Tailed Beast. His immense chakra reserves allow him to perform powerful techniques without running out of energy.

2. Gedo Mazo, a member of the Akatsuki, is known as "the Tailed Beast without a Tail." In his battle against Chirabi, he demonstrates unparalleled strength by being able to absorb chakra to heal himself and use highly chakra-intensive water-based ninjutsu.

3. Jiraiya possesses a wide range of ninjutsu and abundant chakra reserves. Even during his fight against Pain's Six Paths, he never runs out of chakra and can freely use his ninjutsu abilities.

4. Naruto, a member of the Uzumaki clan and the Jinchuriki of the Nine-Tails, has a chakra capacity that rivals that of the First Hokage. His large chakra reserves allowed him to use shadow clones at a young age and during the Great Ninja War, he even shared his chakra cloak with the Allied Shinobi Forces.

5. Hashirama Senju's chakra reserves are unmatched. He effortlessly uses large-scale wood-style ninjutsu and in Sage Mode, he can even restore his chakra, making it seem limitless.