watch 01:48 The Loop (TV) Do you like this video? Hippogriffs are flying creatures on Earth-13. Contents[show] Overview Along with griffins, hippogriffs are also used as messengers to send letters. History In November 2017, a hippogriff delivered a letter to Wells the Grey containing an invitation to join the Council of Wells. Appearances The Chronicles of Cisco Post 66 "Wells the Grey" (mentioned) References ↑ 1.0 1.1 1.2 Post 66 "Wells the Grey" Retrieved from "https://arrow.fandom.com/wiki/Hippogriffs?oldid=686588" Categories: Species Hippogriffs Characters from Earth-13 Community content is available under CC-BY-SA unless otherwise noted.