Wallace and Gromit. The portrait was painted by Jonathan Yeo and was unveiled in the London gallery in May.A video that has since gone viral captured the moment where the activists were filmed pasting the Wallace head over Charles face, along with a speech bubble that read: “No cheese Gromit, look at all this cruelty on RSPCA farms!”The Animal Rising group took responsibility for the act on Twitter/X yesterday. “Click the link to find out why he has been Wallaced,” they posted, leading viewers to a website detailing their cause.You can see the moment the portrait was defaced here:An animal activists group has covered the new King Charles portrait with Wallace from Wallace & Gromit.“No cheese, Gromit.