Crossovers
- None

Cameos/References
- Girls with Slingshots - There's no doubt about it being McPedro on the table in the background! 05-05-2008
- Looking For Group - In the background we see a lot of people cosplaying as the whole crew from LFG! 07-05-2008
- Girls with Slingshots - Jamie and Hazel do not fall for Rayne's melon salespitch for a threesome! 26-05-2008

Least I Could Do cameos/references can be found in:
- The Tao of Geek - Looks like Rayne has nothing against having a picture taken with a monster! 31-07-2003
- Radioactive Panda - "Greased I Could Do" is more pun-like, but the sign nails the reference down! 31-07-2006
- SailorSun.org - When trying to avoid a womanizer... Rayne is perhaps not the one you want to meet! 30-09-2006
- Candi - Looks like Ashley is enjoying her time in the class of children Candi volunteers in! 10-10-2006
- SailorSun.org - So IDS has openings for new employers? Somehow I think Bay is right there! 07-11-2006
- Evil Overlords United - Lhama-time in Least I Could Do i being monitored by the Overlords! 12-07-2007
- Times Like This - Even though Rayne is such an ass, Bethany enjoyes reading Least I Could Do! 21-11-2008
- Better Than Cheeses - It's true... when Rayne goes down on his female counterpart, the planet is doomed! Strip 353

Webcomic artist appearances/references:
- Real Life - What appears to be Greg Dean himself can be seen lurking around in the background! 10-05-2008