Willow Lopez is Toby's adopted sister. She used to live in an unhealthy environment with neglective parents and would eat leftovers. After Toby's Nana heard about this, she took Willow in and made sure she was loved and cared for. She forever cherishes her friendships with her friends and will do anything for them. Roka WIndward is a sorceress that lives with trolls for nine centuries under Vendel's care. He trained her to control her magic and fight without magic. She now goes to school in Arcadia Oaks High and made close friends with Jim Lake Jr., Toby Domzalski, and Willow Lopez. She promises to protect Arcadia along with the Trollhunter and stop Bular once and for all. She also hopes that one day she'll reunite with her long-lost friend.