Birdy the Mighty is a Japanese manga series written and illustrated by Masami Yuki. His initial attempt with the story ran in Shogakukan's Shōnen Sunday Zōkan from 1985 to 1988, but it was eventually abandoned. Over a decade later, Yuki began a reboot, which was serialized in Weekly Young Sunday (2002–2008) and Weekly Big Comic Spirits (2008); its chapters were collected in 20 tankōbon volumes. A sequel, titled Birdy the Mighty: Evolution, was serialized in Weekly Big Comic Spirits from 2008 to 2012, with its chapters collected in 13 tankōbon volumes.

Shōnen Sunday S , formerly known as Shōnen Sunday Super, is a monthly shōnen manga magazine published by Shogakukan in Japan.