Random Character Generation

using System;
using System.Collections.Generic;

namespace testProgram
{
    public class Program
    {
        public static void Main()
        {
            string[] firstNames = new string[] {"Benjamin", "Elijah", "Lucas", "Mason", "Logan", "Alexander", "Ethan", "Jacob", "Michael", "Daniel", "Henry", "Jackson", "Sebastian", "Aiden", "Matthew", "Samuel", "David",
                                                "Joseph", "Carter", "Owen", "Wyatt", "John", "Jack", "Luke", "Jayden", "Dylan", "Grayson", "Levi", "Isaac", "Gabriel", "Julian", "Mateo", "Anthony", "Jaxon", "Lincoln", "Joshua"};

            string[] lastNames = new string[] {"Robertson", "Green", "Thompson", "Callaway", "Walker", "Jones", "Garret", "Alonzo", "Austin", "Love", "Miller", "Garcia", "Evans", "Brown", "Cooper", "Underwood", "Ortiz", "Anderson", "Barnes",
                                               "Earhart", "Price", "Stewart", "Hall", "Allen", "Sanchez", "Bennett", "Rodgers", "Ross", "Reed", "Cook", "Wright", "Lopez", "Coleman", "Adams", "Baker", "Foster", "Butler", "Simmons"};


            Random random = new Random();

            for(int i = 0; i < 15; i++)
            {
                int f = random.Next(0,firstNames.Length);
                int l = random.Next(0,lastNames.Length);
                char middle = (char)random.Next(65,91);

                int ageBracket = random.Next(0,101);
                int age;

                if(ageBracket >= 0 && ageBracket < 75)
                {
                    //Age Bracket for young
                    age = random.Next(16,35);

                }
                else if(ageBracket >= 75 && ageBracket < 90)
                {
                    //Age Bracket for medium
                    age = random.Next(26,55);
                }
                else
                {
                    //Age Bracket for old
                    age = random.Next(56,85);
                }

                Console.WriteLine("{0}: {1} {2} {3}, {4}", i+1, firstNames[f], lastNames[l].ToString().Substring(1,1).ToUpper(),lastNames[l], age);

            }

        }
    }
}