Which one of these two is the best for a Kanto run?

Taking in account all three official versions of Kanto, which one of these two do you think is the superior water type for a Kanto playthrough?

This considers matchups against major fights like gym leaders, rival, elite four, Team Rocket.

Availability since you can get one of them way earlier but has a higher special stat.

And overall vibe, which one of them feels more Kanto?

Who is the number 1 Kanto water type?