Which NFL team's mascot is named Staley Da Bear?

Which NFL team plays its home games at Northwest Stadium? In which city is the home stadium of the Washington Commanders located? Which NFL team's mascot is named Major Tuddy? In which division do the Chicago Bears play? In which division do the Detroit Lions play? Which NFL team's mascot is named Roary? In which division do the Minnesota Vikings play? In which city is the home stadium of the Minnesota Vikings located?