Board Thread:Questions and Answers/@comment-30408599-20170217230806/@comment-28501958-20170221033118

For those curious, I looked it up, and yeah, Knight Knight is the one who attacks with the rays of the sun.

http://undertale.wikia.com/wiki/Knight_Knight

So yeah. Looks like FTL Frisk is in fact, a thing. As is FTL Sans.