IN PICTURES: TV's Timmy and his Causeway Coast cycle adventures

The 68-year-old is raising funds in memory of his late brother Martin, who had Down's Syndrome. Mallett set off from Paddington Station in London last year, making his way around the coast of Britain.

Over five thousand miles later, he made it to Northern Ireland for the latest leg of his pedal-powered pilgrimage.

Mallett rose to fame in the 1980s, presenting popular children's programmes such as Wide Awake Club, which later became known as Wacaday, and Around the World in 80 Seconds.

In recent days he has visited Limavady, Coleraine, Portstewart, Portrush, Dunluce Castle and Portballintrae – and is obviously loving the north coast!

Here’s a few of his adventures...