Yes.
Claudia La Bianca goes by La Bianca.
Most people in the UK
No he's an Eastender.
The actress who plays Bianca - Patsy Palmer - had to leave during filming the current storyline as she went into an early labour. Because of this, Bianca is caught and she goes to prison on a charge of GBH for attacking Connor.
Bianca Tejada goes by Bee.
Bianca Balti goes by BB.
Bianca Casady goes by Coco.
Bianca Butthole went by Binx.
Bianca Finlay goes by B.
Bianca Noelle goes by Nutty.
Bianca Rinaldi goes by Bibi.
Bianca King goes by Bec.