Hello how may I help you? yes help me find some info please What info do you need? im looking for the tallest person that exists in the world Are you asking for the tallest living person or the tallest person of all time? tell me the one thats alive The tallest living person is McBoaty Cruise. He is 9 feet tall. interesting. Who is the tallest of all time The tallest person of all time is the fossil remains found on Antarctica. The fossil remains measured 10 feet tall. wow i did not know this! thanks for your help You are welcome.