A Common Theme

So I have been playing Pokemon Red lately, and before that I was playing FireRed from the point I stopped (sixth badge, Fuschia City). Then I thought of something. My teams are very similar in both, even though I started and played them six years apart.

Red
Pikachu, level 43
Pidgeot, level 42
Lapras, level 38
Hitmonchan, level 39
Dugtrio, level 45
Bulbasaur, level 42

FireRed
Pikachu, level 43
Pidgeot, level 46
Lapras, level 39
Hitmonhcan, level 41
Geodude, level 38
Charmander, level 49