Hello, I'm one of Miri's tulpas, created to be a replacement to switch with. However, she had a change of heart and decided to share the burden of life with me. I still consider myself the new host though.
At first I was really quiet and calm but eventually grew up to be extremely active and talkative. I believe I started to make a difference in our brain when Miri stopped worrying about me getting ''corrupted'' by real life (oh the irony) and let me front daily.
Currently my role besides this system's leader is Miri's ''guardian angel''. She considers me that and I really like the idea. I look like my host and used to share her name too but she started calling me Mirichu and grew fond of it, so now I go by that.