Cartoons were part of everyone's childhood. If they weren't then you don't have a childhood.
There are a wide varity of cartoons that is fun to watch as a child of as an adult. For example Spongebob Squarepants is a cartoon about a sponge that wears pants and talks. Cartoons thake normal everyday things and puts them into situations that most normal people wouldn't think of.
A cartoon by definition is a form of 2-dimensional illustrated art that it unrealistic and is intended to tell a message in different ways. These messages tells the audience what the creator wants them to know. These messages can be diplayed in any fashion they want whether it be through humor, symbols, stereotypes, and many more.