Tara Strong: Harley Quinn, Poison Ivy

Quotes 

• Miss Martian : [leading Mera to her surprise]  It's... just a little something.

  [pulls back the curtain to reveal a surprise pool party with most of the girls] 

  Supergirl , Wonder Woman , Katana , Poison Ivy , Harley Quinn , Batgirl : Surprise!

  Mera : This is off the hook!

  [sees Storm in the pool and hugs him] 

  Mera : Storm!

  Batgirl : Pow! Pool party on!

  [jumps off the diving board into the pool. Mera dives in too] 

  Harley Quinn : Cannonball!

  [jumps in as well]