A Calgary canine world record holder has doggone broken his own record.
Toby the whippet holds the Guinness World Record for fastest time to pop 100 balloons by a dog. 
The nine-year-old purebred first broke the record in March at the Shawnessy YMCA with a time of 36.25 seconds, beating the previous record holder — Twinkle the Jack Russell terrier — by 2.83 seconds.
But now, the cream-coloured dog can boast he burst 100 balloons in 28.22 seconds — trouncing his old record by 20 per cent.
“We wanted to make him officially amazing for his ninth birthday, which his first world record was, and then he beat his time and they announced it on my birthday, which is today,” Toby’s human, Christie Springs, told the Calgary Eyeopener on Wednesday.
Watch Toby break his first world record.
Springs said they first got a glimpse of Toby’s balloon-popping prowess on a walk when they discovered a balloon caught on a frost fence. 
“We thought …