Harry Houdini, Knot Theorist
A knot-theorist escape artist knows his bonds are trivially the unknot but can't actually escape.
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Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2019-04-15-harry-houdini-knot-theorist/ (CC BY-NC 4.0)Transcript
Escape artist (in a tangle of rope): "Ha – you can't snare me with this! It's isomorphic to the unknot! My escape is trivial!" Captor: "Okay, go ahead and escape then." Escape artist: "Um… can I leave it as an exercise for the captor?"