The ninth Asterix volume, when first released in 1967, sold 1.2 million copies in two days. Uderzo's first preliminary sketches portrayed Asterix as a huge and strong traditional Gaulish warrior. But Goscinny had a different picture in his mind, visualizing Asterix as a shrewd, compact warrior who would possess intelligence and wit more than raw strength. However, Uderzo felt that the downsized hero needed a strong but dim companion, to which Goscinny agreed. Hence, Obelix was born. Despite the growing popularity of Asterix with the readers, the financial backing for the publication Pilote ceased. Pilote was taken over by Georges Dargaud. When Goscinny died in 1977, Uderzo continued the series by popular demand of the readers, who implored him to continue. He continued to issue new volumes of the series, but on a less frequent basis. Many critics and fans of the series prefer the earlier collaborations with Goscinny. Uderzo created his own publishing company, Éditions Albert René, which published every album drawn and written by Uderzo alone since then. However, Dargaud, the initial publisher of the series, kept the publishing rights on the 24 first albums made by both Uderzo and Goscinny. In 1990, the Uderzo and Goscinny families decided to sue Dargaud to take over the rights. In 1998, after a long trial, Dargaud lost the rights to publish and sell the albums. Uderzo decided to sell these rights to Hachette instead of Albert-René, but the publishing rights on new albums were still owned by Albert Uderzo (40%), Sylvie Uderzo (20%) and Anne Goscinny (40%). In December 2008, Uderzo sold his stake to Hachette, which took over the company. In a letter published in the French newspaper Le Monde in 2009, Uderzo's daughter, Sylvie, attacked her father's decision to sell the family publishing firm and the rights to produce new Astérix adventures after his death. She said: ... the co-creator of Astérix, France's comic strip hero, has betrayed the Gaulish warrior to the modern-day Romans – the men of industry and finance. However, René Goscinny's daughter, Anne, also gave her agreement to the continuation of the series and sold her rights at the same time. She is reported to have said that "Asterix has already had two lives: one during my father's lifetime and one after it. Why not a third?". A few months later, Uderzo appointed three illustrators, who had been his assistants for many years, to