Elfie

Elfie is a personal artificial intelligence used by Spartan-IVs.

Design details
Elfie was programmed with a sense of humor, but rarely made use of it.

Usage
Elfie was used by Spartan Tomas Horvath during the Battle for Zeta Halo.

Trivia

 * Elfie was named after Alex "Haruspis" Wakeford's late grandmother.

List of appearances

 * Halo Infinite
 * Halo: The Rubicon Protocol