Malva

Malva ( パキラ   Pachira) is the Fire-type Elite Four member, and a minor antagonist in the video games; Pokémon X and Pokémon Y.

She is the first Elite Four member to be a villainous team member, and also the first to be considered a villain in the games (the Kanto and Johto Elite Four members, though villains in the manga, are not villains in the games).

Description
Malva is a news reporter and a self-proclaimed Holo Caster star. She is also a member of Team Flare, where she seems to be at least Admin-ranked, and rigorously defends their actions. She has a bad temper and expresses hatred for Calem/Serena, talking down on the defeat of Team Flare, and even threatening to kill him/her.

History
Malva is first seen announcing a news bulletin at the Poke Ball Factory, discussing Team Flare's invasion of the factory without giving away their names.

After the player character defeats the Elite Four, Malva forces the player to fight her at the hotel in Lumiose City. Once she is defeated, she reveals that she had left Team Flare because she disagreed with Xerosic about creating the Expansion Suit and its use on a child. Malva agrees to help and then directs the player to where Xerosic is hiding so he can be turned in.

Despite Malva's involvement with Team Flare, there is no indication that Diantha or the other Elite Four members were aware that she was a member.

Pokémon Adventures manga
Malva debuts in the X & Y chapter as a newscaster reporting the events of what happened in Vaniville Town. Instead of mentioning the chaos caused by Xerneas and Yveltal, she reports the destruction was caused by a large explosion. Another broadcast is later seen by Alexa, who wonders why the media is ignoring the Legendary Pokémon. Malva first appears in person talking to a colleague of hers. She notes that after a recent movie debut, Diantha has decided to go on hiatus. As she had not done this in a while, Malva finds Diantha's behavior suspicious and decides to investigate Diantha to find out why she decided to do so.

Afterward, Malva returns to the Team Flare Secret HQ to resume her duties as a member of Team Flare. After chastising a Grunt for losing a clipboard containing information about the various Mega Stones located in Kalos, Malva digs in a container filled with the Poké Balls of Pokémon that were gathered after the Vaniville Town incident. Upon finding a box containing a Pokédex and a Fennekin she decides to keep the Fennekin for herself, but crushes the Pokédex under her heel. She then forces Aliana to return the Pyroar she had been borrowing from her, much to Aliana's

Trivia

 * Malva is the first member of the Elite Four to be a member of a villainous team in the games.
 * She is also the first character, who is not a villainous team leader, to threaten the player with death.