Genndy Tartakovsky has proudly become the auteur of adult 2D animation. However, the same comedy that worked in the series' favor was also frequently used against it. The series' simple humor, bright animation, and memorable characters quickly made Spongebob one of the most popular cartoons.

Related: 10 Underrated Action Shows Of The 2010s Spongebob Squarepants The early 2000s proved to be Spongebob Squarepants' formative years.

From Spongebob's questioned sexuality to Zim's violent inspirations, some 2000s cartoons proved to be more controversial than ever imagined. This fact proved to be especially true for many of the best cartoons of the 2000s. Yet sometimes, with great evolved content come great controversies as well. Even the most child-catering cartoons contain sophisticated humor that can be appreciated by anyone. Today, cartoons form some of the best and deepest on-screen entertainment. Before, cartoon series were often associated with kids' programming and juvenile entertainment.

Cartoons have evolved a long way over the past decades.

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