Adjectives derived from people's names.

Well there’s lots of literary ones.

Beckettian
Shavian
Dickensian
Orwellian
Joycean
And a media related one.
Reithian
What other ones are there?

Lovecraftian
Draconian

Disneyesque

Rubenesque
Stalineque

And the all time winner: Hitleriffic.

Edwardian
Elizabethan
Georgian
Jacobean (from the Latin form of James)
Jacobite (ditto)
Victorian

(all from British monarchs)

Darwinian

Jeffersonian

And the related Jacksonian, not to mention Kennedyesque and Nixonian.

Oh, also quixotic, which most people probably wouldn’t recognize as coming from a person.

Kafkaesque

Jacksonian (as Captain Carrot noted in a virtual, but earlier, simulpost)

Machiavellian

Tolkienesque.

Thatcherite
Reaganite

Have I heard Dylanesque?

Byronic

Sadistic. Masochistic.

Seussian

Pavlovian.

Stentorian

Randian
Crowleyan
LaVeyan
Fortean

Shakespearean.

Freudian
Jungian
Gehrrible!

Would Christian count, being that it’s not actually a part of his name?