Garretson Beekman Trudeau is an American cartoonist, best known for creating the Doonesbury comic strip. Trudeau is also the creator and executive producer of the Amazon Studios political comedy series Alpha House.

Doonesbury is a comic strip by American cartoonist Garry Trudeau that chronicles the adventures and lives of an array of characters of various ages, professions, and backgrounds, from the President of the United States to the title character, Michael Doonesbury, who has progressed from a college student to a youthful senior citizen over the decades.