Valkíria is a jungle girl from post-apocalyptic Brazil which looks like prehistory, with humans living with extinct creatures like dinosaurs.
Creation
According to Alex Mir, the character was created at the request of Paulo Hamasaki in 1997, however, Mir was unable to find an artist for her, only in 2007, he decided to rework the character with Alex Genaro, the character was launched in Tempestade Cerebral #2 (2008) and appeared in several anthologies and as a webcomic.