User blog comment:PokemonmasterZ98/3 other team members/@comment-4572331-20120522014828/@comment-5108916-20120529231812

A lot of people are missing this: even if time travel isn't a factor, due to his super-speed, Bartl had accelerated aging so by age 2-3, he already appeared 15 years old. They would just have to make Bart Barry's son instead of his grandson in order to minimize confusion.