This is the generation 1 transformers we have based on the phrase you given.
 Transformers Classics Grimlock MISB  US $39.99
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 Transformers Animated Takara Henkei GRIMLOCK SWOOP SNARL US $56.95
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 Transformers Original G1 Dinobot Grimlock US $48.00
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 Transformers Masterpiece Grimlock TRU exclusive US $73.00
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 Transformers Binaltech BT 10 Grimlock Mustang GT MISB US $20.50
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 Transformers G1 Pretender Grimlock Complete US $10.00
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 Transformers GRIMLOCK Binaltech BT 10 Die Cast Metal MISB from Japan US $49.99
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 AWESOME Transformers Grimlock Artwork RARE US $15.50
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 Transformers MASTERPIECE GRIMLOCK Dinobot Hasbro US $99.99
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 Transformers G1 Grimlock Sword US $.99
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 Transformers Grimlock Animated US $7.00
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 UNRELEASED Transformers Attacktix Series 2 GRIMLOCK Prototype TF2 07 US $29.99
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 TRANSFORMERS ANIMATED LOT DINOBOTS GRIMLOCK SWOOP SNARL 100 COMPLETE LOOSE US $29.99
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 Transformers G1 Diaclone KO Grimlock US $9.99
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 Grimlock Sword Vintage G1 TRANSFORMERS US $1.00
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