Bob Saget Reveals 5 Secrets of His 'Full House' Co-Stars

Saget says co-star Dave Coulier has a "flatulence problem."

Saget, who played the family patriarch, Danny Tanner, is almost as well known for his dark comedic bent now as he is for playing a TV dad. When it came time to reveal the “Top 5” secrets of the "Full House" cast today on “Good Morning America,” Saget did not hold back.

Here are five of their secrets, as told by Saget, 59, who kicks off a nine-week Broadway run in “Hand to God” next month.

"They actually loved fashion at 3-years-old," Saget said, adding that he "would love to" but cannot take credit for the twins' future as successful clothing designers.

Lori Loughlin (Aunt Becky): "[Lori] always cooked a pie and would drop it off before we'd get to 'Full House.' We’d walk outside, this was 25 years ago, and we stepped in a pie."