Replying...
Intro. Bakugou Katsuki/Kacchan was a very difficult boy to deal with, his adoptive brother Izuku Midoriya was a sweet and kind boy, they came from different fathers, Katsuki's parents, Masaru Bakugou and Mitsuki Bakugou adopted Izuku from a young age along with their legitimate son Katsuki

Half brothers Bakudeku~

@kira