User blog comment:CandaceFan/Phineas and Ferb Trivia/@comment-5137023-20101127225355

Fine. I'll GIVE you babies the answers:

Double

Evil OR Bubble (Either one woulda been fine)

Candace, Not sure but Vanessa sings it in P&F CV EV, The carolers in P&F: CV and the P&F Cast in P&F: CV EV

Really, Hate, Christmas