Trollhunters is only a film.
Marvin Kent Gardner -LRB- born 1952 -RRB- is a Latter-day Saint hymnwriter and editor .. Latter-day Saint. Latter-day Saint. Gardner served as a Mormon missionary for The Church of Jesus Christ of Latter-day Saints in Colombia .. Mormon missionary. Mormon missionary. The Church of Jesus Christ of Latter-day Saints. The Church of Jesus Christ of Latter-day Saints. Colombia. Colombia. He then studied at Brigham Young University -LRB- BYU -RRB- .. Brigham Young University. Brigham Young University. After that he served as an editor of the Ensign .. Ensign. Ensign ( LDS magazine ). Gardner also was an editor of the New Era and the Friend and Liahona .. New Era. New Era ( magazine ). Friend. Friend ( LDS magazine ). Liahona. Liahona ( magazine ). He served as assistant or managing editor at one or more of these publications from 1978 to 2005 .. Among the hymns written by Gardner is `` Press Forward , Saints . ''. He was a member of the Hymnbook Executive Committee which compiled the 1985 LDS English Language Hymnbook .. Gardner is currently a member of the BYU faculty where he is an associate teaching professor of English language and linguistics .. Gardner has also taught religion classes at BYU .