User blog comment:Darthranner83/Jimmy Neutron characters with similarities to other heroes: Cindy Vortex/@comment-25168622-20190227035657

What about Astrid Hofferson from How to Train Your Dragon? Here is a picture of her. Also, Astrid and Cindy are both both blonde and Cindy's relationship with Jimmy is very similar to Astrid's relationship with Hiccup.