The party appealing is known as the appellant, and the adverse party as the respondent, but the title of the action is not changed in consequence of the appeal.
Cal. Penal Code § 1236
Appeals, When Allowed and How Taken, and the Effect Thereof
Enacted 1872.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.