The instrument used by Tumnus in the movie is imaginary, and not any instrument in existence, but in the book he is described as playing a "Pan's flute", a fairly high-pitched wooden instrument.
Lucy gave Mr. Tumnus her handkerchief to keep.
Lucy gives Mr. Tumnus her handkerchief as a token of her friendship and gratitude before leaving him.
Mr. Tumnus appears in "The Lion, the Witch and the Wardrobe" by C.S. Lewis, which is part of "The Chronicles of Narnia" series.
Mr. Beaver believed that Mr. Tumnus was arrested by the White Witch for helping Lucy and was likely turned into stone.
Mr. Tumnus is not in the Second movie or book. The amount of time is such that there were no living creatures that personally knew the children from the first book. Time passes much faster in Narnia then in the real world.
Mr. Tumnus was a faun.
Judas
James McAvoy
Mr. Tumnus fears that the White Witch will turn him into stone if she is extra angry.
Mr. Tumnus is a fictional character from C.S. Lewis' "The Chronicles of Narnia" series. In "The Lion, the Witch, and the Wardrobe," Mr. Tumnus is arrested by the White Witch but later rescued by Lucy and Aslan. He plays a key role in the story and is ultimately freed from the Witch's control.
The character of Mr. Tumnus in 'The Chronicles of Narnia' film adaptation was portrayed by James McAvoy in 'The Lion, the Witch and the Wardrobe' (2005).