The two atomic bombs dropped on Japan by the United States in August 1945 were named 'Little Man' and 'Fat Boy'.

The statement is false because the two atomic bombs dropped on Japan by the United States in August 1945 were named "Little Boy" and "Fat Man," not "Little Man" and "Fat Boy." "Little Boy" was dropped on Hiroshima on August 6, 1945, while "Fat Man" was dropped on Nagasaki on August 9, 1945, marking the only use of nuclear weapons in warfare to date.