English homework help please?

we are doing this homework for english cl where we draw a picture of a character of a story we are going to write and we had to write 2 similes , 2 metaphors and 2 personifications about the character and im having some trouble so could someone give me 1 metaphor for an old man with a robot arm [ he is the evil one ] and 2 personifications for a young small boy [ the good one ] if anyone can help that would be awesome and best will get 5 stars thanks and have a nice day