Sherlock Holmes
From Tardis Wiki, the free Doctor Who reference
Sherlock Holmes was a male human detective of 19th century England. His adventures were written by John Watson and edited by Arthur Conan Doyle.
In 1887, Holmes and Watson assisted the Doctor in battling Azathoth. (NA: All-Consuming Fire)
Later that year, they traveled to 2010 to attend the wedding of Bernice Summerfield and Jason Kane. (NA: Happy Endings)