01 - Whisk together olive oil, lemon juice, garlic, oregano, paprika, salt, and pepper in a large bowl until fully combined.
02 - Add chicken pieces to the bowl and toss to coat evenly. Cover and refrigerate for at least 20 minutes, up to 2 hours for enhanced flavor.
03 - Heat grill to medium-high temperature, approximately 400°F.
04 - Thread chicken and vegetables onto skewers in an alternating pattern, distributing colors evenly across each skewer.
05 - Lightly brush assembled kabobs with any leftover marinade for extra flavor.
06 - Place kabobs on the grill and cook for 12-15 minutes, turning every 3-4 minutes, until chicken reaches 165°F internally and vegetables show light charring.
07 - Remove from heat and let kabobs rest for 2 minutes. Garnish with chopped parsley and accompany with lemon wedges.