His best friends are Heffer and Filburt. His enemies are Ed Bighead, Mr. Smitty, and Earl. Hiccup and his gang will help Rocko and his friends whenever something is happening. At the end of the series, Rocko and his friends decides to go with Hiccup and his team on their adventures.
- Rocko will be part of Pooh's Adventures Team And Hiccup's Adventures Team.
- Rocko will meet Hiccup In Hiccup's Adventures Of Rocko's Modern Life.
- Rocko gets nervous whenever Xion is around and comforting him.