judgment against the agent individually is usually warranted. Yim v. J's Fashion Accessories, Inc., 680 S.E.2d 466, 468 (Ga. App. 2009) (internal citations, quotation marks, alterations, and footnotes omitted). See also Alaska Cascade Financial Services, Inc. v. Waterer, 2011 WL 6382137 at *3 (Wash. App. Dec. 19, 2011) ("Disclosure of a trade name is insufficient disclosure of a principal."); Robinson & St. John Advertising and Public Relations, Inc. v. Lane, 557 So.2d 908, 910 (Fla. App. 1990) ("[T]he use of a trade name is not necessarily a sufficient disclosure of the identity of the principal and the fact of agency so as to protect the agent against personal liability."); G.W. Andersen Construction Co. v. Mars Sales, 210 Cal. Rptr. 409, 411-12 (Cal. App. 1985) (where checks and letterhead referred to trade name "Mars Sales," but corporate name was "Mars Sales Company, Inc.," fact of agency but identity of principal undisclosed, and agent was personally liable on contract).