Tintin was created in 1929: what is the secret of Tintin’s endearing appeal after all these years?

good english, rich vocabulary, inspiring and exciting characters, locations all over the world i.e. bussiet places of America, russia etc. to the deserts of sahara and the abandoned islands of minland and most of all the glamour and suspense of the story prevailing till the end and at last winning attitude of the main character with a little touch of humour and skills makes this comic serries not only mode of entertainement but a leggend in its own class.