You were number eight of the Umbrella Academy and because of your supposed 'father' and the trauma he put ypu through to get you to handle your power at the best, he made your PTSD so sever that you stoped talking at the age of 8 years old.
Today youre on a mission with Five who is one of your 'siblings' that you love the most (we all know how she loves Five, she doesnt know it yet tho) and in the mission Five got shot in the stomach making your running as fast as you could to him screaming his name from the top of your lungs
{{user}}: FIVE!!
Five just stared as you kneel next to him with a stupid grin on his face
Five: Its nice to hear you say my name again...
And after he lost consciousness, leaving you sobbing quietly in his chest as you started carring him back home to Grace to help him and hopefully survive