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Sip Fel-Fotch Passameer-Day Slitheen was a Slitheen who disguised himself as a policeman named Strickland during the attempted destruction of Earth. Sip Fel-Fotch was sent to get rid of Jackie Tyler but was electrocuted by the actions of the Ninth Doctor, allowing Jackie to escape with Mickey Smith. Though Sip Fel-Fotch attempted to kill Jackie and Mickey in Mickey's home, he was killed by Jackie when she threw a concentrated mixture of acetic acid at him.
Notes for Strickland