O Entertainment is a production company founded in 1990 by actor Steve Oedekerk. The logo usually appears at the end of The Adventures of Jimmy Neutron
It shows a huge purple bouncing letter "O" while a low-pitched voice saying "O!"
Scare Factor Edit
None to minimal. The black background, deep voice saying “O!”, and the "O" falling down without any type of warning may startle a couple people, but it's not THAT big of a deal.