While many anime heroes like to work alone, they're incomplete without their friends and teammates. With a wide range of characters providing varying levels of support to their teammates, it is difficult to gauge who would stay till the end and ensure that the mission is completed.
With anime's rising popularity, more and more unique characters are being written and executed to make the series a massive hit. Of these various characters, some would go above and beyond to make sure that their friends are safe. They'd never leave a man behind.
10 Genos Is Protective Of His Master (One-Punch Man)
Genos is a cyborg in One-Punch Man who begs Saitama to take him as a student and teach him his ways. Once Saitama reluctantly accepts Genos as his student, Genos becomes extremely protective of his "master" and goes to various lengths to prove his usefulness as Saitama's student.
Genos makes sure to do the heavy lifting for Saitama because he believes that these mundane tasks and weak monsters are not worth Saitama's time. He always has Saitama's back and is willing to do everything to protect his teacher.
9 Jeremiah Was Devoted To Marianne (Code Geass)
Jeremiah Gottwald is Code Geass' elite Knightmare Frame pilot who was in charge of keeping Lelouch's mother, Marianne, safe. Jeremiah was devastated after not being able to prevent Marianne's assassination and devoted himself to her children's protection.
Jeremiah did not hesitate to cross lines for Lelouch's and Nunnally's protection, even going against their father, Charles zi Britannia, the Emperor of the Holy Britannian Empire. Once Jeremiah realizes that Zero is Lelouch's embodiment of his hatred for Britannia, he makes it his life's goal to crush Charles and V.V.
8 Arisa And Saki Don't Let Anyone Harm Their Friends (Fruits Basket)
Arisa Uotani and Saki Hanajima are best friends with Toru Honda, Fruits Basket's main protagonist. The trio came together during their time in middle school and have stuck together since then. Arisa and Saki are capable of holding their own and are very protective of Toru, who is a bit absent-minded and naive.
Saki and Arisa never leave their friends in a difficult situation. They stick together and are not afraid to give a cold look to anyone who means their friends harm. They always strive to do what is best for themselves and their friends.
7 Speedwagon Is A Righteous Gentleman (JoJo's Bizarre Adventure)
JoJo's Bizarre Adventure's Robert E. Speedwagon can gauge one's personality by their smell. A thug and hoodlum, he befriends Jonathan Joestar after witnessing his mercy towards his partners-in-crime. Speedwagon joins Jonathan in his fight against Dio, dedicating his life to the Joestar family.
After Jonathan's death, Speedwagon continues his friendship with his widow, Erina, and helps her raise her son, Joseph Joestar. Speedwagon understands the importance of space and knows when to appear and disappear. He remains loyal to the Joestar family till his dying day.
6 Riza Is An Invaluable Asset (Fullmetal Alchemist)
Riza Hawkeye is an officer in the Amestrian State Military in Fullmetal Alchemist. She is also Colonel Roy Mustang's bodyguard. Riza believes in leaving no man behind. She does all in her power to ensure the success of her colleagues and their safety.
Riza appears to be rigid and stuck-up but is very kind and compassionate, putting her teammates' safety before her own. She is also in charge of keeping everyone on the right track and preventing them from getting distracted. A smart woman who is a skilled combatant, Riza always has everyone's best interest in mind.
5 Naruto Can Talk Anyone Into Being A Good Person (Naruto Shippuden)
Naruto Uzumaki's famous talk no jutsu has converted many of his foes into friends. Naruto is an orphan who was shunned for being a jinchuriki and experienced many hardships as a child. He understands the importance of good supportive friends.
Naruto makes his friends and his teammates his priority, even above his missions. He goes to great lengths to make sure that his friends are safe and on the right path. He even fought his best friend Sasuke to bring him back to Konohagakure.
4 Taiju Surpasses All His Limits For His Friends (Dr. Stone)
Taiju Oki has an outgoing and friendly personality which enables him to make friends and earn their trust wherever he goes. Following Senku's plan, Taiju goes to the Tsukasa Empire as a spy to gather intel for Senku and the Kingdom of Science.
Taiju actively participates in Senku's plan of restoring human civilization. He puts his strength and endurance to use and helps out with manual labor in the Kingdom of Science.
3 Tanjiro Is The Embodiment Of Kindness (Demon Slayer)
Tanjiro Kamado meets various kinds of humans and demons on his journey to save his sister, Nezuko. Tanjiro is smart, kind, and considerate towards others. However, he is no pushover. Tanjiro is stern when necessary, especially with Zenitsu and Inosuke.
Tanjiro fights to the death with all his opponents. He makes sure his friends and teammates are safe before he proceeds with techniques that may have disastrous effects. He protects his loved ones with his life.
2 Mikasa Is Grateful For Her Saviour (Attack On Titan)
Mikasa Ackerman was rescued by Eren Jaeger when they were children and has since been attached to him. She joins the Survey Corps with Eren and Armin. Mikasa trains to become an excellent combatant and scout, partly to be able to keep Eren out of harm's way.
Along with Eren, she makes sure all her teammates and friends are alert and ready for what's coming, be it a titan or a traitor. She never leaves her fellow soldiers behind.
1 Hide Sticks To His Goals Till The End (Tokyo Ghoul)
Hideyoshi "Hide" Nagachika is Ken Kaneki's best friend in Tokyo Ghoul. A seemingly carefree college student, Hide has an almost Sherlock-like keen sense of observation, especially when it comes to a new person's personality. After Kaneki's disappearance, Hide remains on the fringes of the ghoul world and meddles without revealing his presence or motivation.
Hide keeps searching for Kaneki's whereabouts despite being discouraged repeatedly. He even consoles Kaneki and assures him that his being a ghoul will not affect their friendship in any way.