It looks like Gru is the one with airsoft guns in this shortfilm by BirnyX/Johny Deadline Picture Production called "Nerf vs Despicable Me"... "This is the short film Nerf vs Despicable Me by BirnyX. Ever since the law dictates the ban on all physical weapons, the police have resorted to using the Nerf guns exclusively. Police have already included Nerf guns as part of their regular arsenal and use them in their daily training.