DBD x DND

I am coming up with a concept for a group of my friends who all love DBD but have never played DND before. The idea I have is a mega-dungeon where each room they enter is a different realm with their associated killer as the main baddie. I want to use the updated 2024/5.5e ruleset. My "issue" is coming up with stats for the killers. I would prefer to use the original killers for DBD, and possibly only about 5 or so of them so I can make this a One-Shot and not a full fledged campaign. Has anyone else thought of something like this? If so, have you statted or found someone who has statted the killers? Thanks to anyone for your help!

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