'Glee' adding three new characters for Season 4 including Puck's younger brother

Glee Season 4 casting news! Michael Ausiello of TVLine tweets that Glee is adding three new series regulars.

These include Puck's younger, guitar-playing brother, and two another characters. How exciting!

From Michael Ausiello:

Twitter Scoop: GLEE adding three new series regulars next season, including Puck's younger, guitar-playing brother.

— Michael Ausiello (@MichaelAusiello) June 5, 2012

New characters, one female h.s. student, another male in 20s. @PranceWorthy REALLY now hmmm who are the other two you can tell me

— Michael Ausiello (@MichaelAusiello) June 5, 2012