|Relatives:|| Ayumi Ishida (adoptive mother)|
Blocky (adoptive father)
|Friends:|| Freddy Fazbear|
|Enemies:||The six friends|
|Appearences and Voices|
|First appearance:||CB goes to Freddy's pizza place/Grounded|
Captain Barnacles is a troublemaking bear who is the captain of the Octonauts.