LOL! There are two - miniMikey 1.0 and 2.0. It'd still be a massive growth spurt for the biggest one.
I was thinking of the picture which showed them both.
MiniMikey 1 is still a Little Boy
Minimikey 2 is a Baby Boy
Young Bottlemasher is a Big Boy on a Big Bike (who reminds me of PG Tips).