BrotherJohn said: Trollnosuke is also a black smith?
Marisa's Master Spark is mainly powered by the mini-hakkero, the eight-sided reactor stone she carries. Now remember what the Master Spark does. The thing that makes that massive beam of destruction? Rinnosuke made it for Marisa and upgraded it once.
Great Mazinger's Great Boomerang? Gurren Lagann's Gurren Boomerang? Just realised Gurren's Boomerang is probably a reference to Great's Boomerang, they also both attach to the same place.
ChakHmph!Gleam!!I had it specially made by the owner of that curio shop in the forest.SPAKEh? What, this?M-Master, what the heck was that!!?That guy...!?