The character of Willo the Wisp originated in an educational animation created by Spargo for British Gas plc in 1975 and the stories were set in Doyley Woods near the director 's home .
Doyley Woods is a small beech wood in Oxfordshire .
The character of Willo the Wisp originated in an educational animation created by Spargo for British Gas plc in 1975 and the stories were set in Doyley Woods , a small beech wood in Oxfordshire , near the director 's home .