Talk:Ozpin/@comment-26073173-20180211222613/@comment-4010415-20180212000428

There is a citation right next to the thing about him drinking hot cocoa, stating where we got that information. It's the [1] thing.

They said it in the Volume 3 director's commentary, and the Rooster Teeth online store listing for the Beacon mug mentions it ("Perfect for drinking hot cocoa just like Ozpin!").