I don't know about #1 but Popplio is pretty up there.

Bro just said Giratina

And I also like Pichu

Drifloon if you can get past the whole kidnapping children part

Joltix and meltan (Also Rowlet).

Syhamin the hedgehog one. not the flying one.

Siliconda

Don't ask.

Both Silicobra and Sandaconda, I'd assume

If so

Based

Ditto.

Vaporeon