Mix the chicken spices together in a bowl. Rub or marinate chicken in desired spice quantity. I personally like to marinate the chicken for an hour or two in a bag with the spice mix and 1 tsp of olive oil, but this works as a dry-rub as well
Prepare the corn spices in a separate bowl. Rub the corn with olive oil and then rub on the spices to your preference
Set your grill to medium-high heat
Add corn to grill and let cook for 5 minutes
Rotate corn. Add chicken to grill. Cook for about 10-15 minutes, flipping chicken and rotating the corn halfway through. You're looking for an internal temperature of 170°F for the chicken. The corn is to your preference; the kernels should darken slightly and soften