"the immortal Weller"
Sam Weller (L) pictured on the frontispiece to The Pickwick Papers. Illustration by Phiz.
Public DomainSam Weller (L) pictured on the frontispiece to The Pickwick Papers. Illustration by Phiz.

Sam Weller is a savvy cockney character in Charles Dickens' The Pickwick Papers (1837), the personal servant to the less worldly Mr Pickwick.