Wailmer and Regice will forever be my Top 1 & 2. The first one sounds like a really big whale and the later is chilling in a good way.

Honorable mentions: Jynx, Meganium, Phanpy, Porygon2, Gardevoir, Whismur, Clamperl, Torterra, Staraptor, Luxray, Combee, Loppuny, Happiny, Magnezone, Togekiss, Palpitoad, Seismitoad, Yamask, Tirtouga, Vanilluxe, Meloetta, Greninja, Phantump, Charjabug, Stufful, Pyukumuku, Rookidee, Skeledirge, Dashbun, Finizen, Hero Palafin, Cetitan, Chien-Pao.