Grandfather

Grandfather is the head of the Lords of the Wing, and the cousins say he "invented birds" CFF E1·01:11:22. He is wattled, bald, and thin-legged, and leans on a peregrine falcon CFF E1·01:29:30 CFF E1·01:30:27. He orders the cousins to find matches and warns "Some birds eat their young." CFF E1·01:36:24

Grandfather is the head of the house of the Lords of the Wing, whom the cousins Chirp and Squak call the one who invented birds or created them CFF E1·01:11:22 CFF E2·01:00:30 CFF E3·00:19:50. In the third episode the cousins write to him, and he answers Squak with "I may have underestimated you" CFF E3·00:19:50. In the sixth episode his voice comes through the birdsong to say he plans to join them for the climax of the Bloom CFF E6·00:55:35. At the ball in the seventh episode he appears in an ivory suit with an amethyst cape and a snood, his card reading "Progenitor of Birds", and he says "Show me." and "Brunch tomorrow." CFF E7·02:06:53 CFF E7·02:07:22 CFF E7·02:08:41 CFF E7·02:11:54.

In the eighth episode he arrives disheveled after a very long night and doubts the cousins' betrothal story, saying "I still do if you weren't lying to me." CFF E8·01:59:52 CFF E8·01:58:05. He says it is his job to worry about the fortunes of the house and that he will stay until the betrothal is confirmed, and he calls the nest "all mine" CFF E8·02:00:46 CFF E8·02:02:45 CFF E8·02:03:35. Asked who, he answers "They call him the Sea Wall." CFF E8·02:06:48 In the finale he writes the cousins a last letter, which tells Chirp she is stronger than she has ever let on, tells Squak he has true talent, and adds "I'm still alive." CFF E10·01:05:59 CFF E10·01:07:13