A '''summoner''' or '''spawner''' [[class]] or [[monster]], is capable of using magical spells, or spell-like abilities, to conjure or spawn some sort of [[monster]] or [[NPC]] as a "[[pet]]" that fight or perform some sort of task for the summoner. A summoner monster or class is generally also considered a [[caster]].

In [[Diablo I]], all classes could summon a Golem or a [[Hydra]] but those spells are not really considered a summoned pet.

* [[Grotesque]] - Not a caster, and more a "spawner" than a summoner. When killed, he spawns a swarm of [[Lamprey]].

* [[Fallen Shaman]] - A ''re''spawner. Will not summon or spawn monsters, but will [[resurrect]] killed [[Fallen]].