Bruticus is the combined form of the Combaticons, and when he shows up on the scene, most Autobots panic and can't find a way to beat him because of his brute strength. Often, he finds himself in conflict with Megazord, the Power Rangers' combined Zord forms.

Due to being such a brute, Bruticus need to have a hulking, loud, and angry voice. You may refer to the performance done in Transformers: Fall of Cybertron for inspiration. You may also look into voices from the live-action movies, such as The Fallen or Blackout/Grindor.