Similarly, is Raticate any good?
Raticate has a decent to good CP efficiency against 4 of the Big 7, therefore being a good backup solution if better prestigers are rare (or much less common than Rattata) in your area. Worst case, a throwaway Raticate can be seen as a free revive + super potion.
Additionally, is Rattata bad? If you're planning to use Rattata in this battle, evolve it first. Rattata's Special bulk is awful, but Raticate's is surprisingly decent. Make sure to be careful, though, as an untimely crit Water Pulse can put a sudden end to your favorite rodent's life.
Hereof, is Rattata good Pokemon?
Rattata has good Speed and decent Attack. However, it's quite frail. It evolves into Raticate at Level 20.
What level does Rattata evolve yellow?
Rattata (Japanese: コラッタ Koratta) is a Normal-type Pokémon introduced in Generation I. It evolves into Raticate starting at level 20.