"RTOON" is a fun domain name that plays on the word "cartoon".
The word "rtoon" contains only five characters and just one syllable. One-syllable names are very rare and very valued. Leading companies using one syllable names include Chase, Ford and Shell.
Rtoon.com is a .com domain. Dot com domains are the most desirable domain extension in the world, used by famous websites like twitter.com. A .com is the first thing people think of when they think of a website.