"No, just curious," he said, leaning back as the man came closer. He wasn't used to people coming that close to him unexpectedly. All three eyelids blinked as the Doctor looked into them.
"Ah," Abe said, breathing out with relief at the increase in space between them. The Doctors energy was...intense.
"Oh! Well that's very nice," he said to the other's explanation of his name. "My name came from the date found on the tank holding me that was discovered, April 15th, 1865. You, being a purveyor of history, must appreciate the origin of my first name. My last name, Sapien, originated from the shoddy description given to my creature self, Icthyo Sapien. A bastardization of the Latin animal kingdom, but close enough to stick."