User blog comment:Mango Dolphin/Mango Tells All/@comment-4784313-20130326231847/@comment-5271031-20130327220453

Dipper may be a philosopher or an astrologist.

Mabel may be a knit wit.

However, since the show is based off the creator, Alex Hirsch, I am pretty sure that Dipper is a show creator. Ariel? I have no idea. Ask Alex!