<table>
<caption>
Superheros and sidekicks
</caption>
<colgroup>
<col />
<col span="2" class="batman" />
<col span="2" class="flash" />
</colgroup>
<tr>
<td></td>
<th scope="col">Batman</th>
<th scope="col">Robin</th>
<th scope="col">The Flash</th>
<th scope="col">Kid Flash</th>
</tr>
<tr>
<th scope="row">Skill</th>
<td>Smarts, strong</td>
<td>Dex, acrobat</td>
<td>Super speed</td>
<td>Super speed</td>
</tr>
</table>