1. Fire Release: The strongest user of Fire Release is Uchiha Madara. As a member of the Uchiha clan known for their mastery of Fire Release, Madara surpasses all others in this nature.

2. Water Release: The greatest user of Water Release is Senju Tobirama, the Second Hokage. He is a master in Water Release and can even use it in areas with no water.

3. Earth Release: The representative of Earth Release is Onoki, the Third Tsuchikage. He is highly skilled in Earth Release and can also use Dust Release.

4. Lightning Release: The most powerful user of Lightning Release is the Third Raikage. His lightning-based ninjutsu, such as the Spear and Shield, are considered the strongest in this nature.

5. Wind Release: Naruto Uzumaki is the strongest Wind Release user. His signature technique, the Wind Release: Rasenshuriken, is considered the most powerful in this nature.

It is worth mentioning that Naruto, after gaining the chakra of all nine-tailed beasts, has become a versatile ninja, but his core skill remains the Rasenshuriken. The only jutsu that can surpass its power is Sasuke Uchiha's Indra's Arrow.