Matthew Holt is the brother of Katie Holt in Voltron: Legendary Defender who went missing after being taken prisoner by the Galra Empire during the Galaxy Garrison's expedition to Kerberos. Pidge has been searching for him and her father Samuel ever since. After being captured, he was slated to fight the alien gladiator Myzax but Shiro feigned bloodlust and attacked him. The minor injury Matt sustained meant he would not have to fight, so Shiro battled Myzax instead while Matt was taken…