There's a gene named Sonic Hedgehog, a dinosaur named after the dinosaur supervisor from Jurassic Park, and a star which is just the name Ivan backwards. Some people saw the opportunity, and they took it.
https://en.wikipedia.org/wiki/Sonic_hedgehog#Discovery_and_name
http://m.imdb.com/name/nm0864138/trivia
https://en.wikipedia.org/wiki/Gamma_Cassiopeiae#Names