Quoted By:
Damn, sad I missed the vote for this, poison is my favorite type.
My top 10 would be
1. Nidoking
2, Sneasler (as seen in art)
3. Haunter/M-Gengar
4. Drapion
5. Crobat
6, Victreebel
7. Tentacruel
8. Poipole
9. Gengar
10. Skrelp
Shiny dragagle would make the top 5, and Shiny H-Sneasel would be number 1, but that's specifically for the shiny. Honorable mentions also to Ariados, Eternatus, and Venomoth