Grebnedlog

Grebnedlog was the captain of the Pakled ship Mondor that was encountered by the USS Enterprise (NCC-1701-D) in 2365.

After Grebnedlog had asked for repair assistance, he captured Chief Engineer Geordi La Forge and held him hostage. The Pakled got their technology by stealing it from other species, so Grebnedlog informed Commander Riker that he would release La Forge if all the information from the Enterprise-D computer were transferred to his ship. After La Forge managed to disarm the Pakled's on-board weapons, Riker threatened to destroy them and faked the destruction of their weapons by means of a crimson force field. Grebnedlog, impressed by this force field, released La Forge because the Enterprise-D was "strong". 

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