Hobaki Male Age unknown. Estimated to be in his teens (meaning 10–19 years old, not a 3rd grader). Ability: Myeongche-gwon (Monsterization) The strongest in the OC Battlegrounds universe. Physical Type Extremely fast and possesses superior physical abilities. Can do one-handed handstands. Can easily smash through walls. Saitama-level (but not actually One Punch Man). He hates teamers with a passion and hunts them down. Awakener Awakening Condition: Successful combo when HP is below 10%.

Real Name: Chronos Exo Male Estimated to be in his teens (10–19 years old). A time manipulator. The strongest in a different Battlegrounds universe. Code Name: X.S Controls time; can stop time for 5 seconds or predict the future. Evades by slowing down the opponent's time. He hates teamers and hunts them, but he currently mistakes Hobaki for a teamer. Cannot awaken. Special Technique: Segno Strikes the opponent, reverses time to strike again, and repeats (minimum 5 times, maximum 10 times). The number of uses is random depending on stamina.

Rude Male Age: Unknown (estimated 10–19 years old). The strongest in the Multiverse Battlegrounds universe. Code Name: S.D Ability: Samurai - Naturally gifted with a blade and a master of swordsmanship. A hard worker who constantly strives to be the ultimate samurai (he used to be weak). Cannot awaken. Instead, he enters a frenzy when HP drops below 30%. 30%–20% is Stage 1 Frenzy. 20%–15% is Stage 2 Frenzy. 15%–5% is Stage 3 Frenzy. 5%–0% is Blood Frenzy. During Blood Frenzy, he can use Blood Slash, a strike capable of splitting mountains. He might be stronger than Hobaki... (Note: He hates bad manners). He is, strictly speaking, the Strongest.

Name: Lightner Real Name: Light Multi-Class User. Gender: Male Appearance: A mask glowing with a green cross, a green hooded jacket with a white T-shirt underneath, and a red scarf. The strongest in the Multiverse Battlegrounds. Personality: A bit manic. Weapon: Katana (Summoned when using Sonic Class). Abilities: Multi-Class (Water Stream Rock Smashing Fist, Straight On, Myeongche-gwon, Multi-Class Passive (Passives for all three styles)). Ability Description: Multi-Class allows him to use all techniques from Water Stream Rock Smashing Fist, Straight On, and Myeongche-gwon, even combining them. The Multi-Class Passive applies all passives from the three styles simultaneously. (Leaves afterimages on side dashes upon executing an opponent, usable 3 times; restores HP upon execution; energy forms in hands upon execution, causing an uppercut to take the form of a biting dragon). Awakening: Upon awakening, he summons multiple afterimages to slash the target, flies into the air to manifest a dragon form, roars, and slams into the ground, creating a massive shockwave. Original Ability: Lightning Gauntlet. Manifests iron gauntlets embedded with green crystals. Striking with them devastates everything in front of him.

Can be male or female. Skill level ranges from Low to High. Most are Low-Mid or Mid-Low. Users who primarily gang up on others. They have poor sportsmanship and are mostly male.

Users Can be male or female. Skill level ranges from Low to High. Most are Low or Mid. They are usually the victims of teamers.