Gertrude Wirschinger (born 4 November 1948), better known as Penny McLean, is an Austrian vocalist who initially gained acclaim with the disco music act Silver Convention, but also had exposure as a single recording artist.

In 1973, they released a single on the Ariola label, "Öffne Die Tür" ("Open The Door") bw "Der Fremde" ("The Stranger").

[3] By the mid-70s, she was a member of Silver Convention, a group that also included Linda G. Thompson and Ramona Wulf.

[9] In 1979, she released the single, "Tut-Ench-Amun" which was written by Bernd Meinunger, Horst Hornung and Christian Dornaus.

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