That was a fun Poll on #Mustard! Thanks for everyone's participation and comments.
Here's a rundown of some flavors not part of the poll but gleaned from the group's feedback (and a couple of web links for reference). This is not in any particular order.

- Hot Chinese
- Yuzu https://thewasabicompany.co.uk/product
- Sarepska https://callingallcontestants.com/from-russian-roots-history-of-sarepska-mustard/
- Horseradish mustard
- Coleman's of Norwich (Dry, Prepared, and 'Squeezy' types) https://colmansusa.com
- Bavarian / Bavarian sweet
- Jalepeno honey
- Hot English / English

- Not mentioned above; Creole mustard
A staple in New Orleans-style cuisine , Creole mustard is a blend of Spanish, French, African, and German influences.
https://www.daringgourmet.com/creole-mustard/

Some resources on mustard, should you be inclined to peruse.

5 Types of Mustard Everyone Should Know—and Delicious Ways to Use Them
https://www.realsimple.com/food-recipes/recipe-collections-favorites/popular-ingredients/types-of-mustard

17 Types Of Mustard And When To Use Them
Read More: https://www.mashed.com/878925/17-types-of-mustard-and-when-to-use-them/