User blog comment:Hulk10/Toothless and Hiccup./@comment-109.63.19.247-20130212120713

I really don't think that this grudge will affect Toothless' relationship with Hiccup, since Toothless dived after Hiccup when he jumped from the cliff's edge. This shows that Toothless valued Hiccup more than the grudge between him and the Whispering Death.