Rin Okumura (奥村 燐 Okumura Rin) is the main protagonist of the Blue Exorcist series. He is the son of Satan and the elder, fraternal twin brother of Yukio Okumura. Studying as an Exwire at True Cross Academy, Rin desires to become a Knight Meister and defeat his biological father.

Rin Matsuoka (松岡 凛 Matsuoka Rin) is a main character in the anime series Free!, beginning with Free!, and the light novel High☆Speed！ written by Kouji Ohji. He is a freestyle and butterfly swimmer for the Samezuka Swimming Club. He is made team captain after Seijuro Mikoshiba graduates from Samezuka Academy. He is currently training with professional coach, Mikhail Makarovich Nitori and qualified to compete on the global level during the All-Japan Invitational. He hopes to become an Olympic swimmer and is currently pursuing professional competition on the global stage.

Edward Elric (エドワード・エルリック, Edowādo Erurikku?) also known as Ed or the Fullmetal Alchemist (鋼の錬金術師,, Hagane no Renkinjutsushi?), is the titular main protagonist of the Fullmetal Alchemist series. After losing his right arm and left leg due to a failed Human Transmutation attempt, Ed became the youngest State Alchemist in history by achieving his certification at age twelve. Three years later, Ed has become fully engrossed in his search for the legendary Philosopher's Stone, an item with which he hopes to restore his younger brother Alphonse Elric, whose whole body had been lost in the aftermath of the human transmutation.

Satoru Gojo (五ご条じょう悟さとる, Gojō Satoru?) is one of the main protagonists of the Jujutsu Kaisen series. He is a special grade jujutsu sorcerer and widely recognized as the strongest in the world. Satoru is the pride of the Gojo Family, the first person to inherit both the Limitless and the Six Eyes in four hundred years. He works as a teacher at the Tokyo Jujutsu High and uses his influence to protect and train strong young allies.

Roy Mustang (ロイ・マスタング, Roi Masutangu?), also known as the Flame Alchemist (焔の錬金術師, Honō no Renkinjutsushi?), is the tritagonist of the Fullmetal Alchemist series. He is a State Alchemist and officer in the Amestrian State Military. A hero of the Ishval Civil War and Edward Elric’s superior officer, Colonel Mustang is a remarkably capable commander who plans to become the next Führer of Amestris.