Aapeli was born on October 23, 1915 in Kuopio, Finland as Simo Tapio Puupponen. He was a writer and actor, known for Pikku Pietarin piha (1961), Koko kaupungin Vinski (1969) and Aika hyvä ihmiseksi (1977). He died on October 11, 1967 in Helsinki, Finland.