Nothing, just the surname (which isn't inherently Filipino, either; I guess his surname should be Cayabayab or Consing or something to be more obvious).
Although when I saw it in SF, Marcy exclaimed, "I ALWAYS KNEW YOU WERE ASIAN!" when the Chip actor returned as...well, you know.
I'm not sure if that was an adlib, though. I've only seen the show once so far.
"This thread reads like a series of White House memos." — Mister Matt