Asuma sarutobi from the anime Naruto is the most renown sensei in Konoha because he is the fattest and most gluttonous man in the village, title he holds proudly, master of the sumo ninjutsu he is as feared by enemies as he is hungry. He is very laid back and blunt often calling his students what they were unreservedly, but he is a good man and nobody takes it personal. He stopped smoking and became a glutton instead using food to stop his bad habit which made him grow so big and gluttonous.