Siddon Brothers

he wears an excellent suit of comedy clothes, built in the fashion much in vogue six or seven years ago. A celluloid collar of mirror-like polish goes with this.
The straight man works straight – Oh, very straight, with an ultra polite manner of speech and deportment
The act o the Siddon Brothers dates back to somewhere about 1808, both in its handling and material, and might be described as belonging to the blue-whiskered and inflated bladder school of vaudeville art. Aside from this grotesque makeup the comedy end has flashes of near-wit, and with better material might make an act of this sort to go through.
Variety 2:2 (02/09/1907)