https://simpsonswiki.com/w/index.php?action=history&feed=atom&title=Pierre_Jules_C%C3%A9sar_Janssen 2026-05-26T20:47:51Z Revision history for this page on the wiki MediaWiki 1.29.0 https://simpsonswiki.com/w/index.php?title=Pierre_Jules_C%C3%A9sar_Janssen&diff=1463619&oldid=prev 2026-05-25T19:14:58Z

<p>Created page with &quot;{{Character |name = Pierre Jules César Janssen |image = |gender = {{Male}} |hair = |age = |status = Deceased |job = Astronomer |relatives = |mentioned = &quot;Bart&#039;s Comet...&quot;</p> <p><b>New page</b></p><div>{{Character<br /> |name = Pierre Jules César Janssen<br /> |image = <br /> |gender = {{Male}}<br /> |hair = <br /> |age = <br /> |status = Deceased<br /> |job = Astronomer<br /> |relatives = <br /> |mentioned = &quot;[[Bart's Comet]]&quot;<br /> |voiced by = <br /> }}<br /> <br /> '''Pierre Jules César Janssen''' was a French astronomer.<br /> <br /> == History ==<br /> During the aftermath of the [[Buttzilla]] balloon incident at [[Springfield Elementary School]], [[Principal Seymour Skinner]] became frustrated after realizing the helium-filled balloon could remain airborne for months. In anger, he loudly cursed Pierre Jules César Janssen, blaming the French astronomer for having “invented” helium.<br /> <br /> == Appearances ==<br /> *{{ep|Bart's Comet|(mentioned)}}<br /> <br /> == External links ==<br /> *{{Wikipedialink}}<br /> <br /> {{Real-world deceased characters|science=yes}}<br /> {{Simpsons characters}}<br /> {{DEFAULTSORT:Janssen, Pierre Jules César}}<br /> <br /> [[Category:Adults]]<br /> [[Category:Real-world characters]]<br /> [[Category:Mentioned characters]]</div>

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