Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Peter Serafinowicz
Table title:
Film
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Title </th><th colspan=1 rowspan=1 > Role </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td colspan=1 rowspan=1 > 1999 </td><td colspan=1 rowspan=1 > Star Wars: Episode I – The Phantom Menace </td><td colspan=1 rowspan=1 > Darth Maul (voice) </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2001 </td><td colspan=1 rowspan=1 > Calcium </td><td colspan=1 rowspan=1 > Scientist </td><td colspan=1 rowspan=1 > Short film; also writer and producer </td></tr>
<tr> <td colspan=1 rowspan=1 > 2003 </td><td colspan=1 rowspan=1 > Hello Friend </td><td colspan=1 rowspan=1 > Email Voice-over </td><td colspan=1 rowspan=1 > Short film </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 2004 </td><td class="highlighted"  colspan=1 rowspan=1 > Shaun of the Dead </td><td class="highlighted"  colspan=1 rowspan=1 > Pete </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > The Calcium Kid </td><td colspan=1 rowspan=1 > Dave King </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005 </td><td colspan=1 rowspan=1 > Ripley Under Ground </td><td colspan=1 rowspan=1 > Nigel </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2006 </td><td colspan=1 rowspan=1 > Sixty Six </td><td colspan=1 rowspan=1 > Uncle Jimmy, Mr. Reubens Sr., Football Commentator </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=2 > 2007 </td><td colspan=1 rowspan=1 > Grindhouse </td><td colspan=1 rowspan=1 > Screaming Man </td><td colspan=1 rowspan=1 > Fake Don't trailer </td></tr>
<tr> <td colspan=1 rowspan=1 > Run Fatboy Run </td><td colspan=1 rowspan=1 > Sports Commentator </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2008 </td><td colspan=1 rowspan=1 > Tales of the Riverbank </td><td colspan=1 rowspan=1 > Various Voices </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > Couples Retreat </td><td colspan=1 rowspan=1 > Sctanley </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2010 </td><td colspan=1 rowspan=1 > The Best and the Brightest </td><td colspan=1 rowspan=1 > Clark </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > Killing Bono </td><td colspan=1 rowspan=1 > Hammond </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=2 > 2013 </td><td colspan=1 rowspan=1 > The World's End </td><td colspan=1 rowspan=1 > Knock-a-Door Run Home Owner </td><td colspan=1 rowspan=1 > Uncredited </td></tr>
<tr> <td colspan=1 rowspan=1 > Underdogs </td><td colspan=1 rowspan=1 > Loco (voice) </td><td colspan=1 rowspan=1 > U.K. version </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=5 > 2014 </td><td colspan=1 rowspan=1 > Muppets Most Wanted </td><td colspan=1 rowspan=1 > Gulag Guard </td><td colspan=1 rowspan=1 > Uncredited </td></tr>
<tr> <td colspan=1 rowspan=1 > SOS: Save Our Skins </td><td colspan=1 rowspan=1 > Andrew (voice) </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Food Club </td><td colspan=1 rowspan=1 > Narrator (voice) </td><td colspan=1 rowspan=1 > Short film </td></tr>
<tr> <td colspan=1 rowspan=1 > Pudsey the Dog: The Movie </td><td colspan=1 rowspan=1 > Edward the Horse (voice) </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Guardians of the Galaxy </td><td class="highlighted"  colspan=1 rowspan=1 > Denarian Garthan Saal </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2015 </td><td colspan=1 rowspan=1 > Spy </td><td colspan=1 rowspan=1 > Aldo </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2016 </td><td colspan=1 rowspan=1 > Sing </td><td colspan=1 rowspan=1 > Big Daddy (voice) </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=3 > 2017 </td><td colspan=1 rowspan=1 > John Wick: Chapter 2 </td><td colspan=1 rowspan=1 > The Sommelier </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Going in Style </td><td colspan=1 rowspan=1 > Murphy </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > An Ordinary Man </td><td colspan=1 rowspan=1 > Miro </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
Which roles did Peter Serafinowicz play in Shaun of the Dead and Guardians of the Galaxy?
Answer:
Peter Serafinowicz has played Pete in Shaun of the Dead (2004) and Garthan Saal in Guardians of the Galaxy (2014).