Genos/Relationships

Saitama
Saitama met Genos after the latter was defeated by a monster and tried to self-destruct, but was saved by Saitama. After being saved Genos asked to be Saitama's disciple, to which Saitama nonchalantly accepts, thinking he wasn't serious. Though Saitama was annoyed by the thought of having a student, he gradually warmed up to Genos, even becoming angry after hearing he was defeated by the Sea King.

Tatsumaki
Genos has a strained relationship with Tasumaki due to her smashing him through a wall several times or sending him flying away.

Speed-o'-Sound Sonic
Due to his obsession with Saitama, Genos despises Speed-o'-Sound Sonic. He also considers Sonic a rival and a reason to become stronger.

Dr. Kuseno
Genos is greatly indebted to Kuseno for saving his life and considers him a friend. Kuseno in turn cares about Genos and helps him anyway he can.