From Twitter Motorsports

The GP2 Series, GP2 for short, is a form of motor racing introduced in 2005 following the discontinuation of the long-term Formula One feeder series, Formula 3000.

[edit] GP2 Series on Twitter

• @GP2 - Not sure if official, probably not (Unverified)

[edit] GP2 Series Drivers on Twitter

• @karunchandhok - Karun Chandok (Verified, Appears on karunchandhok.com) (In English)
• @lucasdigrassi - Lucas di Grassi (Verified, Appears on lucasdigrass.com.br) (In English and Portuguese)
• @AntonioPizzonia - Antonio Pizzonia (Verified, Appears on http://blogdopizzonia.zip.net/) (In Portuguese)
• @luizrazia Luiz Razia

[edit] Former GP2 Series Drivers on Twitter

• @bsenna - Bruno Senna (Verified, Appears on brunosenna.com.br) (In English and Portuguese)
• @x_negrao - Alexandre Sarnes Negrão (Unverified)