Mort & Phil
Mort (Mortadelo): He's tall and bald. When he was young he had a long hair, but lost it after tested an experimental growning-hair made by Pr. Bacterio. However was bald already on the first stories. Since that "incident", Mortadelo became to have hard feelings about him, even got burn Bacterio's beard with a blowtorch as "prank" (i. e. vengenace). He's also known as "Master of Disguises" cause his ability for disguising for every situation.