Biography
She is the Great Librarian of the library planet Lagado. She is a book-like parasitic alien that feeds on information gleaned from the memories of other living beings, resulting with the beings having amnesia. (Source: Wikipedia)
Appearances
Alethia FAQ
What anime is Alethia from?
Alethia is a character in Space☆Dandy.
What is Alethia's Japanese name?
Alethia is written アレテイア in Japanese.
Where can I watch Alethia?
Open the Space☆Dandy page for licensed streaming links and the full episode list.