Bess and Courtney Grumper

Bess Grumper (voiced by Tracy Martin) and Courtney Gr​umper (voiced by Courtney Peldon) are characters from the show W.I.T.C.H. Bess and Courtney Grumper are two twin girls known as "The Grumper Sisters". They have bright red hair and glowing green eyes. They love spreading gossip. They are big into fashions and rivals of Cornelia. In season one they join the school newspaper to write about fashion. In the second season they do the gossip on the K-Ship Student Radio and are disliked by many students and especially by Irma because of the nasty rumors they make up about people. They seem to be more or less popular among boys. They have more action in the comics.

Personality
The scandalous sisters and the writers of the gossip section of the Sheffield Institute's newspaper. They love to ridicule anyone and get them in trouble at school to see their reactions, but the W.I.T.C.H. girls - and especially Cornelia - are their favorite targets. They are considered to be Principal Knickerbocker's pets, though they don't mind bribing students to stand behind them.

Trivia

 * They seems to tease on Martin and Irma.
 * Their Birthday is November 21st, 1990.