The Protectobots are a fictional emergency, search and rescue team of five Autobots in the Transformers toyline. They transform into civilian service and emergency vehicles and combine to form the combiner Defensor. Their Decepticon counterparts are the Combaticons.
Read more about Protectobots: Transformers: Generation 1, Transformers: Universe, Transformers: Revenge of The Fallen, Transformers: Power Core Combiners