Ono Hawaiian BBQ is celebrating its 20th anniversary with a week of deals and giveaways.

The chain was founded by brothers Joshua and Joe Liang in the fall of 2002 and has since grown to 101 locations in California and Arizona.

Customers must be online registered users to take advantage of the meal deals.

Today, Oct. 17: Purchase a Hawaiian BBQ Chicken or Chicken Katsu Plate for the 2002 price of $5.49. Use promotional code ONOBBQ20.

Tuesday, Oct. 18: Take 20% off online orders with promotional code MAHALO20.

Wednesday, Oct. 19: Get $20 off when you spend $40 or more with promotional code HAPPY20.

Thursday, Oct. 20: The first 200 customers inside each store will receive an Ono tote bag with purchase.

Friday, Oct. 21: Pay 20 cents and get two scoops of mac salad. Use promotional code MAC20.

Saturday, Oct. 22: The first 50 customers at each store will receive an Ono 20-year pin with any purchase.

Sunday, Oct. 23: The first 100 customers at each store will receive an Ono 20-year T-shirt with any purchase.

Details: https://onohawaiianbbq.comSource: www.mercurynews.com