Question: Luby's owns a fast casual hamburger restaurant under what name?

Context paragraphs:
Luby's: Luby's, Inc. (formerly Luby's Cafeterias, Inc. and NYSE: LUB) operates restaurants under the brands Luby's, Fuddruckers, Koo Koo Roo, and Cheeseburger in Paradise.  It was founded in 1947 in San Antonio, Texas, United States by Robert Luby (1910-1998).

Wayback Burgers: Wayback Burgers, previously known as Jake's Wayback Burgers, is an American fast casual restaurant chain based in Cheshire, Connecticut.  Wayback serves typical hamburger restaurant foods such as hamburgers, hot dogs, chicken sandwiches, milkshakes and salads along with a variety of regional selections.  Originally created in Newark, Delaware, Wayback began expansion in the late 2000s; in 2013, it was announced that the chain was expanding internationally to an additional 28 countries, with locations in the Middle East and North Africa slated to open in early 2014.  The second international agreement signed is with Argentina.

Webers: Webers is a hamburger restaurant on Ontario Highway 11 in Orillia, Ontario.  Opened in July 1963, Webers grills their burgers over charcoal, with a grill man said to be able to flip up to 800 patties an hour.  Long line ups are a common sight at the restaurant, which built a footbridge over the highway to provide access for guests from the southbound side.  The restaurant's hamburger patties are also sold at Loblaws outlets.

Fatburger: Fatburger Inc. is an American fast casual restaurant chain.  Its tagline is "The Last Great Hamburger Stand".  While it is a fast food restaurant, the food is cooked and made to order.  Some Fatburger restaurants have a liquor license, as well as Fat Bars.  Its franchise headquarters are in Beverly Hills, California.  In addition to the United States, the chain operates in 19 other countries.

Fuddruckers: Fuddruckers is an American fast casual, franchised restaurant chain that specializes in hamburgers.  The Fuddruckers concept is to offer large hamburgers in which the meat is ground on-site and buns are baked on the premises.  As of 2015, Fuddruckers had 77 company-operated restaurants and 111 franchises across the United States and around the world.  The company headquarters is in Houston, Texas.

Godfather's Pizza: Godfather's Pizza is a privately owned restaurant chain headquartered in Omaha, Nebraska, that operates fast casual Italian franchises.  In addition to their fast casual franchise locations, they also operate many Pizza Express Bars.

List of casual dining restaurant chains: This is a list of casual dining restaurant chains around the world, arranged in alphabetical order.  A casual dining restaurant is a restaurant that serves moderately priced food in a casual atmosphere.  Except for buffet-style restaurants and, more recently, fast casual restaurants, casual dining restaurants usually provide table service.

Ted Peters Famous Smoked Fish: Ted Peters Famous Smoked Fish is a historic smoked fish and hamburger restaurant in South Pasadena, Florida.  It was established in 1947 on Madeira Beach by founder Ted Stevens, who moved it to South Pasadena in 1949.  The eatery serves wood smoked mullet and hamburgers in a casual atmosphere of stools and picnic tables.  Jeff Klinkenberg called it one of the most famous eateries in Pinellas County and included a section on it in his book "Seasons of Florida".  It has been featured on "The Best Thing I Ever Ate" and "Diners, Drive-Ins and Dives".  German potato salad and Manhattan clam chowder have also become classic dishes at the restaurant.  Ted Peters died in 2003 at 91.  Ted Peters is located at 1350 Pasadena Avenue.  Fruit pies made by Ted's mom were once a feature of the business.

Louis' Lunch: Louis' Lunch in New Haven, Connecticut, United States, advertises itself as the first restaurant to serve hamburgers and as being the oldest hamburger restaurant still operating in the U.S. Opened as a small lunch wagon in 1895, Louis' Lunch was also one of the first places in the U.S. to serve steak sandwiches.  According to Louis' Lunch, the hamburger was created in 1900 in response to a customer's hurried request for a lunch to go.  In 1917, Louis moved the business into a square-shaped little brick building that had once been a tannery.  In 1975, the restaurant was moved four blocks down to 263 Crown Street.  Hamburgers cooked in the restaurant are made on antique vertical cast iron gas stoves from 1898 and the toast made in an antique toaster from 1928.  The hamburgers are a broiled blend of five cuts of steak.  Toppings include a cheese spread, tomato or onion, but the restaurant does not offer other condiments.  Louis Lassen's restaurant is recognized in the Library of Congress as the origin of the hamburger, but other claimants and detractors exist.  The restaurant has been highly rated by Travel Channel's "Chowdown Countdown" and others, but has been the subject of criticism over condiments.

Koo Koo Roo: Koo Koo Roo was a fast casual restaurant chain specializing in charbroiled chicken founded in 1988 by Los Angeles-based restaurateurs Mike and Ray Badalian.  The name "Koo Koo Roo" was an onomatopoeic reference to the crow of a rooster.  After a series of expansions and ownership changes, in which Koo Koo Roo struggled for profitability throughout the 1990s, the last location in Santa Monica, California closed in 2014, under the ownership of Luby's Restaurants, Inc. who still owns the Koo Koo Roo trademark.

Supporting paragraphs: Luby's Fuddruckers
Answer: Fuddruckers