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{{Character Infobox
|name=Cavanaugh
|image=Cavanaugh.png
|imagesize=64px
|homeworld=Earth
|birth=
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|rank=Scientist
|species=Human
|gender=
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|weapons=
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|hair=
|eyes=
|cyber=
|era=Black Mesa Incident
|types=
|notable=
|affiliation=Black Mesa Science Team
|voice=
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|hideb=
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|hideg=yes
}}
'''Cavanaugh''' is probably a Black Mesa scientist who was accommodated in the Level 3 Dormitories in the Black Mesa Research Facility|Black Mesa South Wing. There he/she shared room 305 with Armstrong.
==Behind the scenes==
*This scientist only appears as a name beside a bedroom door in the fifth chapter of ''Half-Life Decay'', ''Domestic Violence''.
*"Cavanaugh" is a nod to http//www.mobygames.com/developer/sheet/view/developerId,53754/ Sean Cavanaugh, employee at Gearbox Software|Gearbox, placed there as an Easter egg.
==List of appearances==
*''Half-Life Decay'' {{1st}} {{C|Door name only}}
{{Characters}}
{{Black Mesa}}
CategoryEaster eggsCategoryBlack Mesa scientistsCategoryHalf-Life Decay