A little heads up Muzan will be much more powerful here than in the anime and will not be a villain.

Former/Adopted name: Izuku Yagi

New name: Izuku Kibutsuji

Species:Hybrid (Half-Human Half-Demon)

Quirk: 2 activated when his father unsealed his demonic powers but before Quirkless.

1.Quirk Deal-If Izuku makes a deal with someone he can give them a max of three different Quirks. Drawbacks-Izuku HAS to make a deal in order to give someone a Quirk and he must know what the Quirk they want is.

2.Omni-Ice Manipulation-Izuku can manipulate ice, cold energy and snow in anyway he wants. Drawbacks-None.

Powers from his demonic heritage

-Immense Superhuman Strength
-Immense Superhuman Speed 
-Immense Superhuman Durability
-Immense Superhuman Endurance
-Immense Superhuman Stamina
-Immense Superhuman Reflexes
-Immense Superhuman Agility
-Immense Regeneration
-Immortality
-Dominion over all other Demons
-Healing= Can heal people from diseases or even fatal injuries
-Enhanced Senses
-Sunlight Immunity

Father:Muzan Kibutsuji (If that wasn't obviously enough)

Mother:Rei Todoroki (Last name will change later on)

Siblings: Shoto (Half twin brother) Natsuo (Older half brother) Fuyumi (Older half sister) Touya (Half older brother)

Izuku's new look