Not grilled or rotisserie'd, but Sabri Nihari does Chicken Charga, a whole fried chicken covered in spices.
You can also get a whole grilled cornish hen at any number of Arabic/Iraqi places, such as Shawerma Inn.
Tiba Restaurant on Lawrence in the same plaza as Han Bat place also does a half roast chicken. Ask for whole. Halal.
Finally, the Yemeni places almost always have whole roast chicken. Try Mandi Noor, also on Lawrence, and ask for a whole roast chicken Mandi.
Call ahead at any reputable tandoor/northern Indo/Pak place and ask for a whole chicken tandoor. They will accommodate.
Good luck and let us know.
"By the fig, the olive..." Surat Al-Teen, Mecca 95:1"