What was Nero Wolfe's "cook's name" in this fictional private investigator series?

Nero Wolfe has expensive tastes, he lives in a comfortable and luxurious New York City brownstone on the south side of West 35th Street. The brownstone has three floors plus a large basement with living quarters, a rooftop greenhouse also with living quarters, and a small elqevator, used almost exclusively by Wolfe. Other unique features include a timer-activated window-opening device that regulates the temperature in Wolfe's bedroom, an alarm system that sounds a gong in Archie's room if someone approaches Wolfe's bedroom door or windows, and climate-controlled plant rooms on the top floor. Wolfe is a well-known amateur orchid grower and has 10,000 plants in the brownstone's greenhouse. He employs three live-in staff to see to his needs: Archie Goodwin (assistant), Fritz Brenner (chef), and Theodore Horstmann (orchid nurse).

Rex Stout wrote 33 novels and 41 novellas and short stories from 1934 to 1975, with most of them set in New York City. The stories have been adapted for film, radio, television and the stage.

In 1956, John D. Clark theorized that Nero Wolfe was the offspring of an affair between Sherlock Holmes and Irene Adler. Clark suggested that the two had an affair in Montenegro in 1892.