They do.
Snivy evolves into Servine then into Serperior.
Tepig evolves into Pignite then into Emboar.
Oshawott evolves into Dewott then into Samurott.
The fun thing is getting them to level 100. Then after they all are at level 100, THEN it's boring. But it takes a while.
You don't even know what you are talking about. The letter Q is disguised as a pretzel, when you eat the "pretzel", it transforms into an X and you choke on it.
Immortality.