Two black men entered the store around 10am. According to investigators, one suspect was was heavy-set and was wearing 'SpongeBob SquarePants' cartoon character pajama pants
The other suspect was wearing a hood and possibly carrying an AK-47 assault rifle.
Officials said the men robbed the store, but it was unclear what they took. They fled the scene.
Anyone with information about this crime is urged to call Crime Stoppers at 713-222-TIPS.