Artist Spencer McMillan - one of the 'Harry Potter' actor's two children - showed he shared his father's sense of humour in a post from his Instagram account, @be.nice.signs
While son Spencer cracked witty joke on his Instagram, daughter Alice posted a moving picture with the late actor in the wake of his passing on October 14.
Robbie Coltrane s son pays witty tribute to late comic dad by posting: Just woke up what did I miss? kxly.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from kxly.com Daily Mail and Mail on Sunday newspapers.