Biff Tannen

Buford "Biff" Howard Tannen is the main antagonist of the Back to the Future franchise, with his 1955 self serves as the main antagonist in Back to the Future and the central antagonist in Back to the Future Part II, while his 1985 self serves as a supporting antagonist in Back to the Future, a minor antagonist in Back to the Future Part II, and the overarching antagonist in Back to the Future Part III, his 1985A self serves as the main antagonist of Back to the Future Part II, and his 2015 self serves as the overarching antagonist in Back to the Future Part II.
== Theme songs ==
I'm in the Future/Biff Steals DeLorean (Back to the Future, Part II)
Biff's World/27th Floor (Back to the Future, Part II)
My Father (Back to the Future, Part II)
Alternate 1985 (Back to the Future, Part II)
Biff: Model Citizen (Telltale Series)
== Gallery ==
File:Biff 1985.webp|Biff 1985
File:Young Biff.webp|Young Biff
File:Young Biff 2.webp
File:Biff in manure.webp|Biff in manure
File:Biff during EUtS dance.webp|Biff during Enchantment Under the Sea Dance
File:Old Biff.webp|Old Biff
File:Biff in altered 1985.webp|Biff in altered 1985
File:Biff dictator.webp
File:Young and Old Biff.webp|Young and Old Biff
File:Reformed Biff and Marty.webp|Reformed Biff and Marty
File:Biff Telltale.jpg|Telltale series
File:Biff Animated series.jpg|Animated series
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