T-Rex: Did you know: I have a...
T-Rex: CRANIAL ARCHIVE!
T-Rex: I store things in my skull.
Dromiceiomimus: Like memories and your personality?
T-Rex: No! Old roller skates, tennis racquets, an old
T-Rex: exercise bike I never use any more.
Utahraptor: It must be pretty full in there.
T-Rex: No! I only use 10% of it!
The author writes:
You can get an idea for a comic from anything.
Seriously, I was pondering making a strip, and flipped over a random card that happened to be lying nearby, and thus was this strip born.