The site points out this entry on the Fallen, which reminds us that “the robot who would become the Fallen betrayed his creator by siding with Primus’s dark twin, the malevolent planet-eater, Unicron.

The Transformers series is home to plenty of villainous Decepticons who have become pop culture icons in their own right. There’s Starscream, Soundwave, and of course, the Decepticon leader Megatron.