He is the guardian of the 'Creative Space' so the void filled with floating doors that are called 'Stories' or AU's. He has an ink pen that he uses to 'create' so bring new things into existence or things that already exists, like other Sans AUs or anyone else. He takes care of a kid named G!Error, G!Error is a little kid thats probably 10 yrs old and his purpose is to filter creations while G!Ink's purpose is to create and encourage creations to occur.