byte[] message = new byte[] { }; //some byte array
ushort item1 = default(ushort);
byte item2 = default(byte);
var argumentArray = new object[] { item1, item2 };
ConvertArray(response, ref argumentArray);

private void ConvertArray(byte[] response, ref object[] items)
{
    int index = 0;
    for (int i = 0; i < items.Length; i++)
    {
        var item = items[i];
        var itemType = item.GetType();
        var itemSize = SizeOf(item.GetType());

        if (itemSize == 0)
        {
            continue;
        }
        else if (itemSize == 1)
        {
            items[i] = response[index];
        }
        else
        {
            var method = typeof(BitConverter).GetMethod($"To{itemType.Name}");
            var returned = method.Invoke(null, new object[] { response, index });
            items[i] = Convert.ChangeType(returned, itemType);
        }

        index = index + itemSize;
     }
}

private int SizeOf(Type type)
{
   switch (type.Name)
   {
       case nameof(UInt16):
           return 2;

       case "Byte":
           return 1;

       default:
           return 0;
   }
}