Damn, Kumagawa beat me to it...
Character Name: Nabeshima Nekomi, Foul King
Universe Name: Medaka Box
Status in regards to the plot: Supporting protagonist
Tier in the series: High Low
Gender: Female
Powers and Abilites: extreme combat abilities
Destructive Capability: Wall Level
Speed: Faster than the eye, supersonic reactions
Intelligence: Fairly high, can find any opening and take the cheapest shot to win
Stamina: Superhuman
Durability: Wall Level+, possibly small building Level
Race: Human
Occupation: Former Judo Club Captain, Olympic athlete, Judo School owner
Range: Human Melee range
Weakness: None, but I bet she'll find yours
Accuracy: Extremely high, will use foul play if she has to
Standard Equipment: None
Noteable Techniques:
Combat Expert: Nabeshima is the former captain of the school's Judo Club; her skills in Judo outrank even Akune, who is a second dan and known as the "Prince of Judo". Because she does not hesitate to cheat outside of official matches, Nabeshima is known as the "King of Fouls" (反則王 Hansoku Ō), in the Judo world. Not only does she fight dirty, but she relishes the chance to do so. When fighting the Abnormal Myouga, not a single student present was concerned that Nabeshima would lose.
Other:
Battle History in The Arena: