H. P. Lovecraft (August 20, 1890 – March 15, 1937) was an American writer who, in the Crossover Universe, had several adventures of his own in addition to chronicling the events of the Cthulhu Mythos.
Crossover chronology[]
| Story | Publication | Crossovers |
| 1898 - To Mars and Providence | War of the Worlds: Global Dispatches, 1996 | see The War of the Worlds |
| 1899 - Fort: Prophet of the Unexplained | Fort: Prophet of the Unexplained #1-4, June–September 2002 | see Charles Fort |
| 1919 - The Arcanum | 2004 novel | see The Arcanum |
| 1925 - Pulptime | 1984 novel | see Sherlock Holmes |
| 1926 - Atomic Robo and the Shadow From Beyond Time | Atomic Robo and the Shadow From Beyond Time #1-5, April 2009-September 2009 | see Atomic Robo |
| 1926 - Necronauts | Necronauts, 2003 | see Necronauts |
| 1929 - The Adventure of the Ancient Gods | 1990 novel | see Sherlock Holmes |
| 1937 - The Chinatown Death Cloud Peril | 2006 novel | see Walter B. Gibson |
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