User blog comment:Ion Eduard Andrei/Seashocker vs Thunderdrum/@comment-24758544-20140710180533/@comment-24413325-20140711172104

so you think 68' is smaller than 17'? and the dragonpedia's size comparison pics are WRONG....plus just look at the thunderdrums in Httyd 2, they are avarge sized.... thornado was 'young', so his is not a  small thunderdrum but still long as the seashockers