“Code-named Equinox, Miiyahbin is a 16-year-old from Moose Factory, Ontario, whose power comes from the Earth and changes with the seasons. As revealed in October, the character is inspired in part by Shannen Koostachin, a teenage activist who lobbied the federal government for a new school in Attawapiskat First Nation, on the James Bay Coast. Koostachin died in a car accident in 2010 at the age of 15.”
Read more, and see the CBC interview with artist Jeff Lemire at Comic Book Resources: