Bansky. Saw something like this at a museum. Part of the explanation for it said "if you see someone wearing a gas mask, you know something bad is going on, but you also have hope and know that they are going to be ok". I think that is amazing
Les rats de Banksy, artiste londonien de street art. Rat est l'anagramme de Art ^_^ - Il les met en scène dans des situations insolites, comiques pour attirer l'attention du passant et le faire sourire.