Дедушка Юра is a huge influence on M. I can't say that it's always 100% positive as when M imitates grandpa's smoking or repeats things like "Я тебе уже сто раз говорил - отстань от меня!" or when grandpa spoils him rotten.
But good stuff is there as well, like when they build something together - a tower or a toy rifle or go for a ride in the car and grandpa "дает М порулить". As I was going through my pictures from the past 2 weeks, I found these three that were taken on a walk along the Hudson River in Nyack. The two men in these pictures are M's grandpa and great uncle Sam. But it's easy to guess which one is the grandpa - M and him are always in step.