▁k el p ies , ▁and ▁" The ▁N ast y ▁Ghost ▁of ▁Sn æ f ell ". ▁Sig ur ð ur ▁says ▁that ▁the ▁el f ' s ▁pen is , ▁which ▁the ▁museum ' s ▁catalog ue ▁describes ▁as ▁" un us ually ▁big ▁and ▁old ", ▁is ▁among ▁his ▁favour ites . ▁It ▁cannot ▁be ▁seen , ▁as ▁I cel and ic ▁fol kl ore ▁holds ▁that ▁el ves ▁and ▁t roll s ▁are ▁invisible . ▁The ▁folk lor ic ▁pen ises ▁also ▁include ▁those ▁of ▁a ▁m erman , ▁a ▁one - leg ged , ▁one - ar med ▁and ▁one - ey ed ▁mon ster ▁called ▁a ▁Beach - M urm urer , ▁an ▁En rich ing ▁Beach ▁Mouse ▁( sa id ▁to ▁draw ▁" m oney ▁from ▁the ▁sea ▁to ▁en rich ▁her ▁owner "), ▁and ▁an ▁I cel and ic ▁Christmas ▁Lad ▁found ▁dead ▁at ▁the ▁foot ▁of ▁a ▁mountain ▁in ▁ 1 9 8 5 ▁and ▁whose ▁pen is ▁was ▁presented ▁to ▁the ▁museum ▁by ▁a ▁former ▁mayor ▁of ▁Re yk jav ík . ▁ ▁The ▁museum ' s ▁website ▁states ▁that ▁it ▁enables ▁" ind ividual s ▁to ▁undert ake ▁serious ▁study ▁into ▁the ▁field ▁of ▁ph all ology ▁in ▁an ▁organized , ▁scientific ▁fashion ", ▁giving ▁due ▁prom in ence ▁to ▁a ▁field ▁that ▁until ▁now ▁has ▁only ▁been ▁" a ▁border line ▁field ▁of ▁study ▁in ▁other ▁academic ▁discipl ines ▁such ▁as ▁history , ▁art , ▁psych ology , ▁literature ▁and ▁other