Signal

-14

-mechanic/tinkerer, made weapons for Grey and Admiral in exchange for food and shelter after they found him on the streets

-hates being alone and seems to have deep seeded abandonment issues

-masks a lot of his feelings with anger because he hates feeling and seeming weak

-joins the good guys after realizing he was being used as a weaponsmith and nothing more by his paternal figures

-Imperial is his honourary dad now