Logic Masters Deutschland e.V.

I did not intend to draw that Chants of Sennaar glyph, it just turned out that way. It is also not even the same one Ctc labeled Aesthete, but that doen't mean I can resist the meme...

If you like these puzzles with modifier cells, please do also check out this one:
The Digits Are Paid Actors

Rules:
Normal sudoku rules apply.
Along thermometers, values strictly increase from the bulb end.
There are nine doubler cells in the grid, one in every row, column and box. Each digit from 1-9 appears in a doubler cell exactly once. A doubler cell's value counts as double its digit.

Solve here.