Nyla

Nyla is a former member of Team Shard and is now number one in capturing and stealing Pokémon. Not even Ash was able to stop her from capturing the legendary Pokémon Yvelta when she was in Unova.

Appearance
Nyla has aurburn shoulder length hair, brown sparkly eyes, pale skin, and also wore pale pink lipstick.

Chronicles of Unova
Nyla first appeared in the anime in "Chronicles of Unova" dressed with a pale yellow blouse, a pink scarf, a moss green jacket, black knee length pants, and dark brown calf length boots. She also appeared wearing a Team Rocket uniform and pretended to be a member of Team Rocket and attempted to steal Jessie and James' Pokémon.

Starry Day Sunny Night
In SDSN Lyla is dressed with a black crop top, a grey skirt, black boots, and fingerless fishnet gloves. She also had on a  red and blue and white baseball cap that she wore sometimes.

PokeLegends
In PokeLegends there was an episode dedicated to Lyla called "Our Number One Thief" and an episode showing how it was before she became a theif.

The Heart's Call
Donny and Lyla had a close friendship before Lyla started stealing. Later in SDSN she came and stopped Team Rocket's other leader, Verena. Donny and her started dating. The episode focused on these Pokémon ships: pokeshipping, wishfulshipping, contestshipping, friendlyshipping, and eeveeshipping.

Trivia

 * The friendlyshipping was named because Lyla and Donny were friends also because currently nothing else is available and nothing else can be used to make a ship name for them.