Mashirao Ojiro

Mashirao Ojiro (尾白猿夫, Ojiro Mashirao) is a student at Yuuei training to become a Pro Hero.

Appearance
Mashirao wears a white karate-like outfit and has a tail.

Quirk Apprehension Test Arc
Mashirao is seen to be using his tail to run the 50 meters dash.

Battle Trial Arc
Mashirao was teamed with Tooru as Team I. They fought against Shouto and Mezou's team and got their feet frozen by Shouto, preventing them from doing anything and causing them to lose.

USJ Arc
Mashirao was all by himself in the conflagration zone and used a hit-and-run strategy against the villains.

Sports Festival Arc
Mashirao places 11th in the Obstacle Race, allowing him to participate in the next event, the Human Cavalry Battle. Mysteriously, Mashirao ends up on Hitoshi Shinsou's team and his team places third, allowing Mashirao to participate in the final event.

The final event is a tournament event, but Mashirao requests withdrawal from the event, saying that his participation in the Human Cavalry Battle was done by being manipulated and insinuates that it was because of Hitoshi's Quirk. Mashirao says that he understands that the tournament event is a rare opportunity and that walking away would be foolish, but while everyone was giving their best on their own he wasn't doing his best due to being manipulated. Tooru and Mina tried to persuade him to reconsider, but Mashirao replies that he is saving his dignity. Midnight, liking his reasoning for resignation, accepts Mashirao's withdrawal from the tournament event. When Hitoshi approaches Izuku, Mashirao advises Izuku to not respond to Hitoshi's provocations. During the recreation events, Mashirao is seen calming Izuku's nerves. After the match between Hitoshi and Izuku began and Izuku is stopped from attacking Hitoshi, Mashirao says that he warned Izuku.

Quirk
"Mashirao Ojiro's Quirk" - Mashirao's Quirk gives him a strong, sturdy tail.

Tooru Hagakure
They were teamed up together as Team I during the Battle Trial Arc.

Hitoshi Shinsou
Mashirao resigned from the tournament event in the Sports Festival due to being manipulated by Hitoshi, wanting to save his own pride and dignity by doing so. As a result of Hitoshi's action, Mashirao has come to dislike him because he prevented him from doing his best. When Hitoshi approached Izuku, Mashirao warned Izuku not to respond to his provocations.

Trivia

 * Mashirao is student no.6 in Class 1-A.
 * He ranked 7th during the ability test.
 * His name has "尾" that means "tail" and "猿" for "monkey".
 * He likes martial arts.
 * According to his profile in volume 2, he has a very strong tail.
 * He's hard-working.