It was named in April 2007IAUC NUMBER@1 : Satellites of LOCATION@1 and Saturn April NUMBER@2 , NUMBER@3 -LRB- naming the moon -RRB- after PERSON@1 , a giant wolf from MISC@1 mythology , son of Fenrisulfr and twin brother of PERSON@2 .

It was named in April NUMBER@3 after PERSON@1 , a giant wolf from MISC@1 mythology , son of Fenrisulfr and twin brother of PERSON@2 .
