You provide the Lego mini-figure or Kre-O Kreon to be modified into Doomcock, future ruler of the Earth!
-Doomcock's Massive Helmet which keeps his head from exploding in fits of rage while reviewing bad science fiction films and shows.
-Doom Harpoon, a laser guided missile which seeks out bad writing and skewers it mercilessly.
-Xanarockets, which allows Doomcock to quickly transverse the entirety of Xanadoom, which resides in the center of the Earth.
Untested. Be the first to try this design out and let me know how it works for you.