Robert Downey Jr.might be one of the most prolific actors on the planet, thanks to his various roles.

The one that immediately comes to mind is Tony Stark, a.k.a Iron Man.

His performance in Guy Ritchie’sSherlock Holmesnails the titular detective’s characterization, especially Holmes' obsessive nature.

Robert Downey Jr. as Harry Lockhart with a bandaged hand in ‘Kiss Kiss Bang Bang’

Image via Warner Bros. Pictures

This helps keep the audience invested while also setting the tone for events to come.

It’s not the only time that writer-directorShane Blackbreaks the neo-noir mold, though.

This George C. Scott project was almost the ‘Oppenheimer’ star’s last.

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Who taught you math?!

“He told me, I want you to write and direct anIron Manpicture.

And everything changed again,“Black toldThe Hollywood Reporter.

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Like Harry and Perry, Downey and Black turned out to be a match made in heaven.

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Kiss Kiss Bang Bang