Nine Titans (Anime)

Intelligent Titans are the Titan forms of various individuals that can transform into said Titans. These Titans vary greatly in size and number and each possess unique abilities.

Abilities

 * Eren Jaeger's Titan has the Coordinate (座標) and can control mindless Titans. Eren can also use this ability while in human form.
 * The Colossal Titan (超大型巨人) is enormous and can evaporate its body to release immense amounts of steam.
 * The Armored Titan (鎧の巨人) is covered by hardened armor-like skin, except in key areas necessary for movement.
 * The Female Titan (女型の巨人) has significant fighting potential and can attract nearby Titans by screaming.
 * The Beast Titan (獣の巨人) is able to turn humans into Titans and can control them to a rough extent.
 * Ymir's Titan (ユミルの巨人) is small, fast, and agile; it is also equipped with strong teeth and claws capable of dealing great damage.

Physiology
The height among the intelligent Titans varies greatly, ranging from the 5 meters of Ymir's Titan to the 60 meters of Bertholdt's Colossal Titan. Many of them however range around 15 meters.

Some of the Titans have been shown to possess the ability to harden. The Armored Titan is particularly skilled at this, being able to naturally harden its entire body. It can also control the areas of hardening, removing armor for additional mobility. The Female Titan is also capable of hardening. Annie is able to selectively harden regions of her Titan and even create a protective layer around her human body.

Trivia

 * Many transformed Titan forms are modeled after mixed martial artists. For instance, the Armored Titan is modeled after and Eren's Titan is modeled after.