Some theorists who've spent simultaneously too much time and not enough time studying FNaF 4 have come to the conclusion that Cassidy is the true first sister of the Afton family. And I'm here to debunk the best versions of the arguments that have been shown to me, all in good fun (hopefully). If you want to have even more fun, take a shot every time you see the sister's bedroom.
Music used:
DM Dokuro's Cave Story Arranged OST - Access
Castlevania: Symphony of the Night - Wandering Ghosts
Celeste OST - Chapter 2 Chase Sequence
Super Mario 3D World OST - Bowser Land Theme
My FNaF Theory Discord: / discord
0:00 Introduction
2:06 Pro-CassidySis Arguments
4:25 Rebuttals
9:20 Conclusion
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A popular proponent of CassidySis has asked me to throw in an additional pro-CassidySis argument, and my rebuttal. The argument is that multiple lines from the Fredbear plush indicate a close personal connection between the plush and the Bite Victim. While jumping from a personal connection to the assumption of a familial connection is wild speculation, it's wild speculation that has the benefit of explaining the girl's room, and as mentioned, CassidySis argues that something must explain the girl's room, so this becomes the only adequate explanation.
Although the theorist in question refused multiple opportunities to give me examples of the behavior that indicates a close personal connection, my actual counter here is to disagree, as I did in my video, with the premise that the room can't be explained any other way. There are multiple candidates for the girl's room in FNaF 4, so even if an explanation needed to come from somewhere, that doesn't mean one's Fredbear plush theory needs to fit those requirements. And I, again, don't think that an entirely off-screen sister is impossible, for the reasons mentioned in the video.
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Next video: Re-Analysis of the FNaF 4 Plushies