Although many fans love seeing their favorite main characters grow, some love getting to know the teachers that aided them in their growth to better themselves at their craft. Whether these teachers won fans over with their excellent mentorship skills or had a unique relationship with their students, few will ever forget their methods.
Anime has also given fans masters that may not vibe well within a school setting but have made their mark among many, which is why it's important to highlight the most iconic of the bunch.
10 Biscuit Krueger May Look Like A Young Girl But Can Instruct Her Students To Follow Her Lessons Through Force If Needed (Hunter X Hunter)
Biscuit Krueger was one of the most intriguing characters introduced in the Greed Island arc, not only because of her appearance and lament potential but how well she trained Gon and Killua. She was someone that didn't tolerate slack and someone worthy of being one of the strongest during the Greed Island arc.
Although Biscuit had some nagging moments with Killua because of his disrespectful behavior at first, she later learned to bond with them and be known as an ally they could count on if they ever got stuck in a difficult predicament.
9 Franken Stein May Discipline His Students Harshly, But Aims To Make Them Stronger In The Process (Soul Eater)
Soul Eater gave fans a whimsical world they wished they could be a part of in real life, not because of its characters' abilities and strengths, but because of how colorful they've made their cast stand out to fans who enjoyed the series. Dr. Franken Stein was a character with wit and mystery.
Despite there being many facts about Franken Stein that fans don't know, many know that he was a character that loved putting his students to the test, even though his ways may not sit well with others. Dr. Franken Stein may be a mad scientist who likes to attack his students, but he uses action to teach his students.
8 Koro-Sensei Was His Students' Assassin Target That Became Their Most Trusted Friend (Assassination Classroom)
Although Koro-sensei's purpose was to die in the Assassination Classroom series because of how dangerous the characters made him up to be, fans never expected to gain great life lessons from him in Assassination Classroom.
He was a noble and kind-hearted teacher who shocked many as the story progressed and one whose demise shattered the hearts of his students and fans. Despite being someone who can cause harm to his students and punish them with ease, Koro-sensei wanted to break the knowledge his students had of him by being a kind-hearted and excellent role model to them.
7 Eikichi Onizuka May Have Raunchy Teaching Methods But Makes Sure His Students Leave School With A Passion Worth Striving For (Great Teacher Onizuka)
Although many fans argue that Great Teacher Onizuka is a '90s seinen anime that got too popular, others feel like it's a series that gave them many scenarios worth laughing at and one that will stay in their minds for years. Further, this is all thanks to the series' colorful cast and main protagonist, Eikichi Onizuka.
Eikichi Onizuka may have been a perverted and laid-back teacher to his students to a high degree, but he's someone that pushed his students to strive for success. Despite his tactics and methods seeming too deranged and wrong sometimes, Onizuka left his students an important message about seeking their passion outside of school and pursuing that goal no matter what.
6 Silvers Raleigh Served As One Of Gol D. Rogers' Strongest Crew Members & Taught Luffy Everything He Needed To Know About Getting Stronger (One Piece)
Not only was Silvers Rayleigh someone that reigned as one of the strongest in Gol D. Rogers's crew in One Piece, but he's also a brilliant teacher that taught Monkey D. Luffy everything he needed to know about Haki and being a better captain for his crew.
He was an excellent mentor that gained respect from Luffy and former warlord in One Piece, Boa Hancock. Although Rayleigh is an elderly fellow whose pirate days are behind him, he still can hold his own against some of the strongest enemies in the One Piece world regarding admirals and other deadly pirates.
5 Genkai Had Major Issues With Yusuke But Learned To Respect Him For Who He Is Until Her Saddened Demise (Yu Yu Hakusho)
Genkai may have run her course in Yu Yu Hakusho, but she's one of Yu Yu Hakusho's strongest characters. Despite being elderly, Genkai has fought many youthful and deadly individuals, like Shishiwakamaru, during Yu Yu Hakusho's Dark Tournament arc.
She's also an excellent mentor to Yusuke Urameshi and taught him much information regarding Spirit energy and other intriguing details. Although she had her issues with Yusuke at the beginning of their partnership, she later became fond of him and wasn't afraid to donate some energy to help Yusuke defeat Toguro.
4 Shota Aizawa Can Be Discouraging Toward His Students But Knows How To Set Up Proper Training Programs For Them (My Hero Academia)
Although All Might is the symbol of peace in My Hero Academia, Shoto Aizawa's greatest strengths outperform All Might in the mentor department. Although Aizawa may have issues regarding his low patience and unencouraging attitude, he knows how to set up training programs around his students' abilities.
Further, Aizawa's Quirk allows him to erase others' Quirks as long as he maintains a view of his enemy for a short time, making him an ally to have on the battlefield. From his excellent Quirk to his teaching methods, Aizawa is someone worthy of gaining the iconic teacher status.
3 Izumi Kurtis Is A Formidable Alchemist Who Argues People Should Find Ways To Deal With Their Issues By Themselves (Fullmetal Alchemist)
Izumi Curtis wasn't only a well-beloved alchemist in Fullmetal Alchemist, but she was also a role model to her students because of her beliefs and teaching methods. For starters, she's someone who argues people should find ways of dealing with problems on their own before asking others for help and using alchemy to fix things when needed.
Further, Izumi has excellent durability and has a confident attitude toward anything that comes in her way. Despite being a self-reliant person, Izumi isn't afraid to let others know that it's okay to feel pain, as the Elric brothers coming to her for emotional support serves as evidence of Izumi's love and caring spirit.
2 Jiraiya May Have Been A Pervy Sensei But Holds A Strong Connection With His Students & Fans Of The Series (Naruto)
Despite being a goofball and huge pervert, Jiraiya was a sensei to many students and one whose demise still torments many fans today. He not only helped Naruto Uzumaki master the Rasengan, but he also taught Naruto's father many valuable lessons.
Jiraiya impacted many characters' lives he used to be in teams with, like Tsunade, who broke down after hearing the news about his passing while fighting the evil Akatsuki leader at the time, Pain. Considering Tsunade's someone that doesn't like to showcase weakness in front of others, it shows how inspiring a man can be toward others.
1 Master Roshi Remains As One Of The Most Iconic Anime Teachers & Can Still Defeat Many Powerful Foes Despite His Age (Dragon Ball)
Master Roshi inspired his students and the fans that watched him. Unlike Jiraiya, Master Roshi still walks the earth alongside his former students Goku and Krillin.
Master Roshi has proven time and again that he can hold his own against many new threats, as demonstrated in his performance during Dragon Ball Super's Tournament of Power arc.