Mariann was born in Peru, where her maternal heritage was comprised of a unique blend of Jewish and Catholic roots, while her paternal lineage was deeply rooted in the rich cultural traditions of the Peruvian Gypsy community.
As a young individual, Mariann was captivated by the world of the arts, and she subsequently dedicated herself to the study of theater, nurturing her passion and developing her skills in this field.
Upon relocating to Miami, Mariann began to make a name for herself in the entertainment industry, securing appearances on prominent television shows and commercials that aired on Spanish-language networks.
Her captivating on-camera presence, coupled with her impressive range as a performer, enabled her to secure a wide range of roles, which in turn kept her in the public eye and garnered her attention from the Hollywood establishment.
Mariann's career received a significant boost as a result of her memorable comedic turn in the popular television series "It's Always Sunny in Philadelphia" in the episode "Thundergun Express", which not only showcased her impressive comedic talents but also introduced her to a global audience, cementing her status as a respected figure in the entertainment industry.
