I remain an excellent host.

Meta Data
MSPA wiki entry - out of date as of May 8, 2016 (lacks some info)
"Fan-Theory" - in quotes because it's been confirmed by canon


Sound Tracks
Music Track - "Scratch" from The Felt album
Music Video - "A Matter of Waiting" demo from Homestuck: The Musical
Comic Voiceover - "Horse Play" from Paradox Space
Music Video - "Bittersweet" fan-drawn AMV
Comic Animated - "[S] Hussie Hunt"
Headcanon Voice - Scratch reciting "The Itsy Bitsy Spider"


Non-Canon Sources
Paradox Space - "Horse Play", chess with Hussie
Paradox Space - "The Inaugural Death of Mr. Eight"


Canon Sources
1 Page Chatlog - nudging Vriska to kill Aradia
1 Page Chatlog - first contacted by Terezi
1 Page Chatlog - freaking out on learning Vriska has one of his cue balls (epilepsy warning)
1 Page Chatlog - saying farewell to Vriska
1 Panel - briefly seen contacting Aradiabot (possible epilepsy warning)
2 Page Chatlog/Panel - contacting Karkat
6 Page Chatlog - Rose seeking information
chatlog [TBA]
[S] video [TBA]
[S] Video - confirming Scratch is partly Hal/Auto-Responder [the youtube link until I locate it on MSPA]


Posting Resources
Font Code:
<font face="courier new" color="#ffffff"><b>text</b></font>
Font CSS Code:
<b style="font-family:'Courier New'; color:#ffffff">text</b>
'Box-Encased' Font CSS Code:
<div style="font-family:'Courier New'; color:#ffffff; background-color:#428900"><b>text</b></div>
'Highlighted' Font CSS Code:
<b style="font-family:'Courier New'; color:#ffffff; background-color:#428900">text</b>