Much, much more useful than your 4-year-old nephew. Also arguably cuter?
You see, this is why you shouldn't pay your ring bearers in sweets. They're obviously just after the sweets, no matter how cute they are.
Angel, Barn Owl delivering the wedding rings in a 14th Century Chapel
God help the mice that just wanted to attend your wedding.
If a flower girl gets to look like a mini-bride, why can't the ring bearer look like a mini-groom?