The Grimm universe is filled with fairytale-inspired monsters galore.

They are only visible to Grimms and other Wesen.

Wesen are liminal which means they can appear human until they woge into their Wesen being.

What a nice plump mouthful…

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Blutbad (plural: Blutbaden; pronunciation: BLOOT-baat, BLOOT-baad in Grimm; Germ.

Blut blood + Bad bath) is a wolf-like Wesen.

In fact, like actual wolves they mark their territory.

Some Blutbaden live a reformed lifestyle, rejecting their animal impulses.

These are known as Wieder Blutbaden.

Monroe attracts Nicks attention when a college student is savagely attacked and killed in the woods.

Monroe also brings the comedy, often based on his role as exasperated sidekick to Nick.

For example he tells Nick: Oh I get it.

So little Timmys stuck in a well, and you need Lassie to come find him?

Boy, you really know how to butter a guy up for a favour.

Weve seen Monroes character develop of three seasons most notably with his relationship with Fuchsbau Rosalee Calvert.