Pair of Eyeballs

The Pair of Eyeballs is a pet-summoning item dropped by The Twins in Master Mode with a 1/4 (25%) chance. It summons Rez and Spaz, miniature versions of the The Twins in their first form.

Trivia

 * Unlike the Suspicious Grinning Eye, the Pair of Eyeballs do not change phases.
 * The item tooltip is a reference to the phrase "Two heads are better than one."
 * The buff tooltip may be a reference to the 1-800-Contacts commercials.
 * This is the only pet summoning item that spawns two pets instead of one.
 * The Optic Staff shares this feature, but is a minion summon item.