Geek Mouse Graffiti

I can’t work out what this graffiti says. I know that the first letter is D and that there is a large mouse faced man with glasses looking a bit of a geek (hence my title). To me it doesn’t matter what it says, it really caught my eye as I wandered down this huge wall of graffiti or street art. If anyone has any information on what this says or who this character is I would love to read about it in the comments below. Could this possibly be a Spanish cartoon character that I don’t know about? This was taken in Barcelona back in 2008.