Erica Bing

Erica Bing is the adoptive daughter of Chandler Bing and Monica Geller-Bing and twin sister of Jack Bing. Her real mother is Erica Quinn.

Early life
Jack and Erica were born in the series finale. Monica and Chandler were unaware at the time of their birth that they would be receiving twins and Monica had to calm Chandler down at first. Erica was the unexpected one.

As children Erica and Jack would hang out at Central Perk with the others as much as they could as their parents lived so far in the Suburbs.

Family
Erica was adopted by Monica and Chandler along with Jack before they were born, they real mother is Erica Quinn, her real father is an unknown football player.

Name
Erica was named after her biological mother, Erica (although both Erica and Joey appeared not to fully register Chandler and Monica's reasons for choosing that name for her: When Monica and Chandler tell Erica that they are naming their daughter after her she responds "Oh My God! That's just like my name!". When Joey learns her name, he says "Hey, that pregnant girl's name was Erica." Chandler responds "It's a shame you two did not spend much time together!"

Physical Appearance
Erica is Blonde like her brother as she was born to Erica, who was blonde where as her adoptive parents are dark-haired. She has big green eyes and her hair is long and straight and usually worn down, sometimes it is seen curly or wavy.

Trivia

 * She was originally going to be cast by Monica Potter and Hayden Panettiere.
 * She took a job at Central Perk because of all the memories she had and the memories her parents had too.