By making him a stereotype, then yes, that is racism, regardless if it was intentional or not. As someone with mixed ethnic background, I can't help but mention how much that pisses me off that half of my lineage is perceived like this:
And this:
And characters like the one in 50 Shades of Shit only adds fuel to the fire. "Why?" you might ask? Well, not all ethnic Mexicans drink tequila, listen to mariachi music, speak Spanish, sound like Speedy Gonzalez, pack 20 people into a vehicle, drive lowriders or have 200 cousins like the second pic would have you believe.