Before that, i just want you to know that i'm not a lawyer and everything i tell you starting now may or may not be true.
Regarding your question, a lot actually, i thought it was already very obvious. I don't want to spoil your site and all . But it's totally going to end up shut down when Nickelodeon, 20th Century Fox, Cartoon Network, Mojang, 4J Studios and etc. finds out about your site, but that depends if they care.
First, unless you have legal ties with Nickelodeon i suggest don't host a streaming site on your website with videos you are not licensed to show.
Second, don't use movie or cartoon pics for your website design, that's copyright infringement.
Third, don't use names of popular games for your own games. That is illegal afaik.
For the others, you should research about it. I have already given you a head start.
But atleast you've tried and are determined making your own site, i give you credit for that.
Anyway this might not be the right place for this.
You really made me frustrated !
If I didnt monetise the website and didnt make earnings from animations. Will they pass the copyrighted music in my animations ! I mean its just a hobby not a job. Just activities and projects !