He is credited as Blond Treehorn Thug in the iconic Big Lebowski, but if you've ever watched LOST you know him as the mysterious Jacob. Watch the identities merge in a hilarious mashup coming after the jump!

The two characters may seem different at first glance, but thanks to this clip, you'll find it's quite obvious that Mark Pellegrino has been typecast as the guy who will dunk your face underwater.

[Image via Warming Glow]