- Elektra is a female human being from planet Erra in the Plejares system.
- She first met Billy in 1982; specifically on Sunday, the 10th of January 1982, at 1:58 AM.
- Her task was to telepathically communicate to Billy the interplanetary names for his book, Books of Names.
- Billy calls her "chocolate angel" because her skin is a chocolate-brown colour.
- Elektra is Menara's sister.