That's why it's up to Batman to knock some sense into these cretins and keep the streets safe. While everyone knows about the terrifying threats that the Joker, Two-Face, and the Penguin bring to the table, there are underrated Batman villains who deserve recognition for their nefariousness. For one, none of the names mentioned here feature in the best Batman comic book villains of all time list. In terms of the final ranking, it's mostly about personal preference and pop culture impact. Here are the most underrated Batman villains, ranked.