Jokes about Vovochku

I have a nephew named Vova. So he asked me to tell him at least some anecdote about Vovochka. I am deeply reflect, remember, try to choose something that is more or less censorship (still 8-year-old boy from a good family, native to the end). Here babe, seeing my confusion, with regret:
 - So ... You are, therefore, also without Matyukov do not know ...