Kogi Korean BBQ truck — like a viral video, only it serves tacos

“This is my graffiti,” chef Roy Choi says of his taco creations.  (Barbara Davidson / Los Angeles Times)

Pork, beef and chicken tacos are topped with Korean “salsa roja,” cilantro, onions and cabbage slaw.  (Barbara Davidson / Los Angeles Times)

Harry Um eats up on the sidewalk. Fans can track the truck via Twitter.  (Barbara Davidson / Los Angeles Times)

Customers pick up their large order of food and place it in a take-away box.  (Barbara Davidson / Los Angeles Times)

Huge lines form around the block, which means getting your tacos can sometimes mean a two-hour wait.  (Barbara Davidson / Los Angeles Times)