1.Katsuki Bakugou
Son of a rich hero family. His personality and quirk remain the same as in the original anime. Bought his first and only growth robot (Deku) at the age of 5

2.Midoriya Izuku
A growth robot. His personality if the same as the Midoriya Izuku in the anime. But when it's about domination toward Bakugou, he'll turn into dark Deku because of jealousy. After he is turned on , he the strongest quirk, One For All.

3. Todoroki Shoto
The youngest child in the Todoroki family that runs the Todoroki Agency. Dead before he even born , his father that love him trues to revive him by creating robots using his genes. His mother , unable to accept the fact that he'll be serving human as their robot slave , sneak him out when he's deep in sleep to end his misery , but she couldn't do so. In the end , she only left a scar on his face . He was later retrieved by the Todoroki Agency , but was left in the Agency's dump. This is because Endeavour can't accept the fact that he'll be a human's slave, as this would mess up with his reputation. He was in shut down mode till he's 17 , wen Deku arrived and turned him on (I meant the switch, don't get the wrong idea)