I can't stop laughing! Though Sherlock is like Toothless in many ways. Both rely on someone else (John/Hiccup) to do what they do best as John becomes Sherlock's moral compass and Toothless can't fly without Hiccup. Toothless and Sherlock sulk when Hiccup and John are slow or don't do what they should. Sherlock and Toothless both mimic their best friend regarding behaviour and facial expressions etc. Etc.!