Yessica Haircut
Yessica Haircut is a character created in The Sims 4 with the help of an extended sliders mod. They do not appear in any Team Eeveesauce games as of yet.
As of 2019-07-08, they have been locked inside the SCP Foundation. Not as an SCP, they just happened to get themselves locked inside a cabinet within the facility.
Not much more is known about them due to their extreme past which has been mostly erased from history.