Complex sentence: He also created the comic strips "Plain Folks", which appeared in the Daily Mirror during the early 1960s, and "Tisoy" in 1963 for the Manila Times, which tells about the lifestyle of young Filipinos.
Split into simpler sentences: He also created the comic strips "Plain Folks" and "Tisoy". In 1963, Marcelo created the daily strip "Tisoy" for The Manila Times, about the lifestyle of young Filipinos.