Fernando Sendra  Fernando Javier Sendra (born 1949 in Mar del Plata, Argentina) is an Argentine cartoonist. He is mostly known as the creator of the cartoon "Yo, Matías" ("Me, Matías"). He is the author of over 20 books, including 10 of the "Yo, Matías" series. He has two sons and two daughters. He began his career as a cartoonist in 1973 working for "Siete Días". Since then, he drew cartoons for several Argentine magazines, such as "Para Ti", "Jocker" and "La Semana", as well as the newspapers Tiempo Argentino and La Razón (Buenos Aires). In 1990, his strip "Prudencio" began to appear in the back of Clarín, the most popular daily newspaper in Argentina. In 1993, the name of this strip is changed to "Yo, Matías". He has also made a strip named clodomiro and capitan chacho in the 1970s