Lala Hiyama (ヒ山ララァ)
Lala Hiyama is a human who wears a bear-like life support suit to sustain herself. She's part of the original Immortal Ship Committee, former Gardes pilot, and best friend to former ace pilot Hiroki Saitou. She left the committee after Hiroki had a fall out with them. Lala is now the "dorm mother" to Sidonia's cadets. Due to her bond with Hiroki, she took personal interest in looking after Nagate Tanikaze.
Animeography
Sidonia no Kishi
Sidonia no Kishi: Daikyuu Wakusei Seneki
Sidonia no Kishi Movie
Sidonia no Kishi: Ai Tsumugu Hoshi