She would still be element of laughter. Their elements aren’t based on their names.

Is Rainbow Dash the Element of Firefly?  
And Rarity the Element of Sparkler?  
Fluttershy is the Element of Posey?  
Plus Twilight Sparkle is the Element of Twilight?  
And Applejack is the Element of Applejack?  
While Twinkleshine is the Element of Moondancer?  
And Applebloom is the Element of Apple Spice?  
What are Sweetie Belle and Scootaloo s’ elements of?  
What about Cheerilee, Derpy, Trixie??????  
???????????????????????????????

She was also an alicorn. So?

“this moment”http://www.youtube.com/watch?v=s7joT0qBxTk&feature=player_detailpage#t=520s if you are interested.

WOW i was literary thinking about this today.  
i was playing uncharted 3 and trying to sneak through a level then i got spotted and Nathan Drake said “well there goes the element of surprise” and then i though of this long before it was posted  
Awesome :D

you could tag them as “Random thoughts” or something like that.