Azula or Toph, Better Addition?

In Avatar: The Last Airbender Book 2 - Earth, two *MAJOR* characters are introduced in Azula and Toph. But which character introduction was bigger? Better? More impactful to the series overall?Chris: @objective_geek Shawn: @ShawnSchaller, ShawnSchaller.comFacebook: facebook.com/AvatarTheLastPodcasters/Also, you can now connect directly with the show on Instagram and Twitter, @last_podcasters#AvatarTheLastAirbender #AvatarStudios #ParamountPlus #Netflix #Nickelodeon #LegendofKorra #Viacom #Paramount