Long Boy is a monster in Stephen King's story, Lisey's Story.
Lisey's Story 2021 Miniseries
The Long Boy is a monster who lives in Boo’ya Moon. The monster is very tall and brings feelings of despair and sadness, according to Scott Landon.
The Long Boy wounded Paul Landon one day. After that, according to Scott, Long Boy knew Scott and called him. Scott could hear the Long Boy’s mind when he was writing.