Synonyms : eccentric person, flake, geek, oddball

Example : A real character.
A strange character.
A friendly eccentric.
The capable type.
A mental case.

Synonyms : case, character, type

Example : Restaurants of bizarre design--one like a hat, another like a rabbit.
Famed for his eccentric spelling.
A freakish combination of styles.
His off-the-wall antics.
The outlandish clothes of teenagers.
Outre and affected stage antics.

Synonyms : bizarre, flakey, flaky, freakish, freaky, gonzo, off-the-wall, outlandish, outre

Example : Eccentric circles.

Synonyms : nonconcentric