Colocar legenda e nota de rodapé

Preciso colocar legenda e o mes ano/ano(mm/yy) no eixo X. Como eu faço? Abaixo meu código.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Telerik.Web.UI;
using Telerik.Charting;
using System.Data.OracleClient;
using System.Data.SqlClient;
using System.IO;
using System.Data;
using System.Configuration;
using System.Text.RegularExpressions;
using System.Text;

namespace Graph.Moni.UI.Web.Graficos
{
public partial class DesempenhoMensal : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
//Cria o objeto Chart, base de todos os gráficos
RadChart radChart1 = new RadChart();
radChart1.ChartTitle.TextBlock.Text = EVOLUÇÃO MENSAL APROVADAS DÉBITO;

//Muda a cor de fundo do gráfico para transparente
radChart1.Appearance.FillStyle.FillType = Telerik.Charting.Styles.FillType.Solid;
radChart1.Appearance.FillStyle.MainColor = System.Drawing.Color.Transparent;
radChart1.PlotArea.Appearance.FillStyle.FillType = Telerik.Charting.Styles.FillType.Solid;
radChart1.PlotArea.Appearance.FillStyle.MainColor = System.Drawing.Color.Transparent;
this.Controls.Add(radChart1);

RadChart radChart2 = new RadChart();
radChart2.ChartTitle.TextBlock.Text = EVOLUÇÃO MENSAL APROVADAS CRÉDITO;

//Muda a cor de fundo do gráfico para transparente
radChart2.Appearance.FillStyle.FillType = Telerik.Charting.Styles.FillType.Solid;
radChart2.Appearance.FillStyle.MainColor = System.Drawing.Color.Transparent;
radChart2.PlotArea.Appearance.FillStyle.FillType = Telerik.Charting.Styles.FillType.Solid;
radChart2.PlotArea.Appearance.FillStyle.MainColor = System.Drawing.Color.Transparent;
this.Controls.Add(radChart2);

ChartSeries chartSeries1 = radChart1.CreateSeries(DEBITO, System.Drawing.Color.LightBlue, System.Drawing.Color.LightBlue, ChartSeriesType.Bar);
ChartSeries chartSeries2 = radChart2.CreateSeries(CRÉDITO, System.Drawing.Color.LightCyan, System.Drawing.Color.LightCyan, ChartSeriesType.Bar);
ChartSeries chartSeries3 = radChart1.CreateSeries(DEBITO, System.Drawing.Color.LightGreen, System.Drawing.Color.LightGreen, ChartSeriesType.Bar);
ChartSeries chartSeries4 = radChart2.CreateSeries(CREDITO, System.Drawing.Color.Silver, System.Drawing.Color.Silver, ChartSeriesType.Bar);

chartSeries1.Type = ChartSeriesType.Bar;
chartSeries2.Type = ChartSeriesType.Bar;
chartSeries3.Type = ChartSeriesType.Bar;
chartSeries4.Type = ChartSeriesType.Bar;

chartSeries1.SetLabels();

//A orientação do gráfico
radChart1.SeriesOrientation = ChartSeriesOrientation.Vertical;
radChart2.SeriesOrientation = ChartSeriesOrientation.Vertical;

//Tamanho da área do gráfico em pixels
radChart1.Height = 300;
radChart1.Width = 800;

radChart2.Height = 300;
radChart2.Width = 800;

int[] dataArray1 = new int[] { 12, 56, 23, 89, 12, 56, 34, 78, 32, 56 };
int[] dataArray3 = new int[] { 2, 6, 53, 19,22, 36, 34, 18, 42, 26 };


foreach (int i in dataArray1) {
chartSeries1.AddItem(i, );
}
foreach (int i in dataArray3)
{
chartSeries3.AddItem(i, );
}

int[] dataArray2 = new int[] { 42, 16, 13, 9, 12, 86, 30, 38, 62, 26 };
int[] dataArray4 = new int[] { 32, 36, 10, 39, 72, 16, 20, 58, 82, 36 };

foreach (int I in dataArray2)
{
chartSeries2.AddItem(I, );
}
foreach (int I in dataArray4)
{
chartSeries4.AddItem(I, );
}
}
}
}