It is difficult to say who is the best of the Nine Titans in Attack on Titan, but Eren Jaeger’s Attack Titan is definitely one of the coolest. From its terrifyingly muscular design and toothy grin, to its sheer might, it is no wonder Eren’s Titan is one of the most popular. Although his final Founding Titan form is undoubtedly the most powerful, Eren’s first moments as a Titan are not to be forgotten.