About “El otro "yo" del profesor Bacterio”
El otro "yo" del profesor Bacterio is a comic written and drawn by Francisco Ibáñez, published in 1972–1973 as part of the Mortadelo y Filemón series. The story features the recurring characters from the series in a narrative centered around the Professor Bacterio and his mysterious double. (Summary adapted from Wikipedia, CC BY-SA 4.0.)
Some summaries adapted from Wikipedia, CC BY-SA 4.0.