He is likely the most representative figure of the glory days of FC Mechelen (now KV Mechelen). Hellemans was a strong, tanned man who was also a great swimmer.

On the field he played on the wing. A styled centrepiece who was integral to the national team, with appearances at the 1930 and 1934 World Cup. He was well known for his fair play but would not let anyone take advantage of that.