Hi,
Thank you for liking my design.
Its professional, geeky and bit funny, I had these things in my mind when making this. Its meeting all your requirements.
As far as copyright issue is concerned you can go to http://www.tineye.com
Its a powerful reverse image search website. You can check this design here(complete or just character whichever way you like).
10 años atrás
Organizador del concurso
10 años atrás
I like this LOGO,
I got feeling like its familiar to me. What special in this logo , and how i can make sure i will get any copy right issue.