Rumble

Rumble is a Decepticon mini-cassette and demolitions expert in the Transformers franchise who serves under Soundwave and Megatron. Key Characteristics & Role • Identity: A small, human-sized (or smaller) Cybertronian who typically transforms into a micro-cassette tape to fit inside Soundwave's chest. • Personality: A quick-tempered, swaggering "street punk" who acts tough to compensate for his small size, enjoys causing destruction, and eagerly follows Megatron's orders. • Abilities: His arms transform into heavy piledrivers that pound the ground to generate intense low-frequency groundwaves, localized tremors, and earthquakes