The title Animaniac can be unlocked from the Abyssal Knight Quartermaster for 150 million shattered anima, which is obtained from playing the Shattered Worlds minigame.
This title changes according to the language of the server on which RuneScape is played, as shown below:
||Weltseelen-Wahnsinniger [Name] / Weltseelen-Wahnsinnige [Name]
||Animaníaco [Name] / Animaníaca [Name]
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