Bertil Ason

Nils Bertil Andersson is a Swedish comic artist, who signed most of his work with Ason or Berthil Ason. He is the creator of series like 'Stålfarfar' (in Aftontidningen, 1948 onwards), 'Spik-Anton' (in Byggnadsarbetaren, the magazine of the construction worker's union), 'Solkatten' and 'Emil Kork' (in 47:an Löken, 1970s).