Hiccup's Insignia

Hiccup's insignia is a combination of Hiccup and Toothless. It is seen on Toothless' tail and Hiccup's  right shoulder.

How to train your dragon
In the 1st movie the insignia is first seen on Toothless' new tail which was designed by Gobber. The tail is red and the insignia is white.

TV series
The same insignia is kept through Dragons: riders of Berk and Dragons:defenders of Berk.

Race to the edge:
Toothless keeps the same insignia where as Hiccup now has the strike class symbol on his right shoulder.

How to train your dragon 2
Hiccup and Toothless now have the same insignia. The final design is a mixture of Hiccup and Toothless. The insignia can be seen on Toothless' tail and Hiccup's right shoulder.