If you are looking for online tools to create animated cartoon movies to make funny comic video clips, hilarious spoofs and comedy clips there here are 2 useful applications you can use, Dvolver for simple clips like a funny comic strip or Xtranomal for advanced animated cartoon movies with text to voice etc.
Dvolver MovieMaker is a free online tool that lets you make animated cartoon movies, with comic balloons and animation graphics. Such tools are fun to use and create funny comic animation videos or spoofs about any meme or cliché.
Go to Dvolver Movie Maker (Link)
Select the parts of the scenes, the background and the sky, the main characters, the text they will say, background music, then create the animation and send it to friends or share the link or embed it in webpages like below.
Note: If your liked this then you can try an advanced online animated cartoon movies creator called Xtranormal (link), which allows you to create awesome animated cartoon movies with text to voice and many actors and sets to choose from and then upload to youtube etc for fun. Here is an example(link) which is a viral video.