i got a few funny ideas

deer in the head lights
Have a party wearing the rain deer suit and rain deer hood and successfully beat demon wall


ICE used be IFRIT of you (i used to be a fried of you -bad pun i know-)
Beat Ifrit (Hard) wearing the Snowman Costume
Reward title: Iceman cometh

snow white and the 7 lala
Beat any dungeon with 1 female hyur and 7 lalafell

this is like yours BUT IT GLOWS
be in a party with a relic wepion while you have the zenith version of the same relic equipped (e.g in the party 2 summoners one with the veil of wyru and you have the veil of wyru zenith)

and finally
Dose this mount make me jump higher?
jump while mounted 1000 times
reward title: bunny rider