Raise a Floppa - The Loop
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| This minifigure has only appeared in video game(s)|
Although this article is about an official minifigure, it never existed in physical form or appeared in any official LEGO sets.
- This article is about the Playable minifigure. For Sidequest boss, see Sentinel (Marvel).
Sentinels were designed to wipe out all of the mutants and their main target was the X-Men.