who is the blue haired girl in fairy tail
List of Fairy Tail characters Happy (ハッピー, Happī) is a blue furred anthropomorphic cat who is Natsu Dragneel's best friend and only traveling companion at the start of the series.[ch. 1] Using a magic ability called Aera (翼, エーラ, Ēra), Happy can transform into a winged cat and fly at great speeds.[ch. 1, 17] He uses this form to carry Natsu in the air, and is the only one Natsu rides without succumbing to motion sickness.[ch. 3] Before the beginning of the series, Happy is hatched from an egg found by Natsu and Lisanna Strauss, who name him "Happy" after his birth quells an argument the rest of the guild were having.[vol. 15:omake] Later in the series, Happy discovers his origins as an Exceed from Edolas,[ch. 178] where he is separated from his parents Lucky (ラッキー, Rakkī) and Marl (マール, Māru) before birth as part of their queen's plan to evacuate 100 Exceed children to Earth-land before their kingdom's destruction.[ch. 177, 198]