Happy-Go-Lucky font here refers to the font used in the poster of Happy-Go-Lucky, which is a 2008 British comedy drama movie that tells the story of a cheerful and optimistic primary school teacher.
The font used for the movie title in the poster is probably Gill Sans Ultra Bold designed by Eric Gill. The font is a commercial one and you can view more details about it here.
Download Gill Sans Font
The Gill Sans font identified above is not available for free, please follow the link above and purchase the font. Meanwhile, you can take a look at our collection of fonts for cars, pop music and apparel as well as round-ups of new & fresh fonts around the web.