Crouton is the restaurant owner of St. Mystere and can always be found there. There is a strong bond between him and his brother Crumm. He advices Professor Layton and Luke Triton to go to Crumm's cafe for more information they might need.
Crouton looks like your average Restaurant owner, always cleaning up,wearing a white hat and a blue apron.
Crouton is the owner of the Vinegar Grill. He serves food here that cost wealth points. Crouton's loyalty to his customers does not differ. However, since Crouton appears in London Life, he is either not a robot, or perhaps escaped his city, since everyone in his city is a robot.
"Crouton is the owner of the town restaurant and is renowned for both his kindess and his heavenly pudding. Stay away from his scones, though. They are like dry sponges. He is also Crumm's brother."