Fantastic Characters !

WHO  IS  IT ?

WHAT´S   ITS   NAME  ?

WHERE  DOES  IT  LIVE  ? 

1st CLUE : This fantastic character is not a person. It´s a large animal.

2nd CLUE: In 565 A.D , a man called St Columba sees this animal for the 1st time.

3rd CLUE: On December 1933, Hugh Gray takes a photo of this animal near a beautiful castle in the Highlands.

4th CLUE: Some people think , it likes playing  hide and seek .