Poe is Magica's Brother who got transformed into a raven. Ever since then he served as Magica's Familar. He used to only appear in animation until he appeared in the Darkwing Duck story Crisis on Infinite Darkwings where he was looking for Magica and Nega Duck. He also made a cameo appearance in Dangerous Currency when he got some slime on it which is how Magica discovered how the slime works.