| Clue | Source | Date |
|---|---|---|
| Monster Angus Thickburger seller | The Washington Post | 16 Apr 2021 |
| Monster Angus Thickburger seller | LA Times Daily | 16 Apr 2021 |
| Fast-food franchise started in Rocky Mount, NC | The Washington Post | 22 Nov 2020 |
| Fast-food franchise started in Rocky Mount, NC | LA Times Daily | 22 Nov 2020 |
| Sister fast-food chain of Carl's Jr | New York Times | 22 Mar 2016 |
| Fast-food chain | The Washington Post | 19 Jan 2016 |
| Fast-food chain that peddles a 1,010-calorie Six Dollar Super Bacon Cheese Thickburger | ||
| Fast-food chain |