1947 - 2018
Robert Charles Kerman (December 16, 1947 – December 27, 2018), also known as R. Bolla, was an American actor who had a pornographic acting career during what is considered to be the "golden age" period of the porn film industry during the mid-1970s to the early/mid-1980s. As R. Bolla (or Richard Bolla, a pun on slang terms for penis and testicles), he appeared in well over 100 pornographic films, most famously Debbie Does Dallas (1978). Read more on Wikipedia
Since 2007, the English Wikipedia page of Robert Kerman has received more than 756,540 page views. His biography is available in 17 different languages on Wikipedia (up from 16 in 2019). Robert Kerman is the 41st most popular pornographic actor (up from 45th in 2019), the 5,418th most popular biography from United States (up from 6,421st in 2019) and the 28th most popular American Pornographic Actor.
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Historical Popularity Index (HPI)
Languages Editions (L)
Effective Languages (L*)
Coefficient of Variation (CV)
Among pornographic actors, Robert Kerman ranks 41 out of 191. Before him are Brandi Love, Seka, Ginger Lynn, Savanna Samson, Nacho Vidal, and Nikki Benz. After him are Roberto Malone, Annette Haven, Angelica Bella, Angela White, Manuel Ferrara, and Zara Whites.
1973 - Present
HPI: 49.14
Rank: 35
1954 - Present
HPI: 49.01
Rank: 36
1962 - Present
HPI: 48.94
Rank: 37
1967 - Present
HPI: 48.90
Rank: 38
1973 - Present
HPI: 48.77
Rank: 39
1981 - Present
HPI: 48.61
Rank: 40
1947 - 2018
HPI: 48.59
Rank: 41
1956 - Present
HPI: 48.35
Rank: 42
1954 - Present
HPI: 48.29
Rank: 43
1968 - 2021
HPI: 48.22
Rank: 44
1985 - Present
HPI: 48.01
Rank: 45
1975 - Present
HPI: 47.91
Rank: 46
1968 - Present
HPI: 47.80
Rank: 47
Among people born in 1947, Robert Kerman ranks 367. Before him are Michael Ignatieff, Camille Paglia, Michael Gross, Darlene Cates, Clare Torry, and Tiit Vähi. After him are Lee Kerslake, David Mamet, Nolan Ryan, Irmgard Möller, Jacki Weaver, and Luis Ángel González Macchi. Among people deceased in 2018, Robert Kerman ranks 249. Before him are Claribel Alegría, Thomas S. Monson, Claudio Scimone, Inge Borkh, Donald Moffat, and Sinan Sakić. After him are George Maxwell Richards, Tomasz Stańko, Bradford Dillman, Álvaro Arzú, Dave Holland, and Elias M. Stein.
1947 - Present
HPI: 48.80
Rank: 361
1947 - Present
HPI: 48.76
Rank: 362
1947 - Present
HPI: 48.72
Rank: 363
1947 - 2017
HPI: 48.71
Rank: 364
1947 - Present
HPI: 48.66
Rank: 365
1947 - Present
HPI: 48.62
Rank: 366
1947 - 2018
HPI: 48.59
Rank: 367
1947 - 2020
HPI: 48.59
Rank: 368
1947 - Present
HPI: 48.58
Rank: 369
1947 - Present
HPI: 48.58
Rank: 370
1947 - Present
HPI: 48.55
Rank: 371
1947 - Present
HPI: 48.55
Rank: 372
1947 - Present
HPI: 48.54
Rank: 373
1924 - 2018
HPI: 48.83
Rank: 243
1927 - 2018
HPI: 48.81
Rank: 244
1934 - 2018
HPI: 48.69
Rank: 245
1921 - 2018
HPI: 48.66
Rank: 246
1930 - 2018
HPI: 48.65
Rank: 247
1956 - 2018
HPI: 48.62
Rank: 248
1947 - 2018
HPI: 48.59
Rank: 249
1931 - 2018
HPI: 48.51
Rank: 250
1942 - 2018
HPI: 48.38
Rank: 251
1930 - 2018
HPI: 48.36
Rank: 252
1946 - 2018
HPI: 48.36
Rank: 253
1948 - 2018
HPI: 48.20
Rank: 254
1931 - 2018
HPI: 48.19
Rank: 255
Among people born in United States, Robert Kerman ranks 5,418 out of 18,182. Before him are Sandra Faber (1944), Ellen Corby (1911), Buster Douglas (1960), Adam Brody (1979), Anna Lee Fisher (1949), and Louis Brandeis (1856). After him are Marlyn Meltzer (1922), Luther Vandross (1951), Nathanael Greene (1742), Aron Ralston (1975), Gertrude Käsebier (1852), and Dusty Rhodes (1945).
1944 - Present
HPI: 48.60
Rank: 5,412
1911 - 1999
HPI: 48.60
Rank: 5,413
1960 - Present
HPI: 48.60
Rank: 5,414
1979 - Present
HPI: 48.60
Rank: 5,415
1949 - Present
HPI: 48.60
Rank: 5,416
1856 - 1941
HPI: 48.59
Rank: 5,417
1947 - 2018
HPI: 48.59
Rank: 5,418
1922 - 2008
HPI: 48.59
Rank: 5,419
1951 - 2005
HPI: 48.59
Rank: 5,420
1742 - 1786
HPI: 48.59
Rank: 5,421
1975 - Present
HPI: 48.59
Rank: 5,422
1852 - 1934
HPI: 48.59
Rank: 5,423
1945 - 2015
HPI: 48.59
Rank: 5,424
Among pornographic actors born in United States, Robert Kerman ranks 28. Before him are Jesse Jane (1980), India Summer (1975), Brandi Love (1973), Seka (1954), Ginger Lynn (1962), and Savanna Samson (1967). After him are Annette Haven (1954), Eva Angelina (1985), Jessica Jaymes (1979), Jamie Gillis (1943), Stoya (1986), and Jessica Drake (1974).
1980 - 2024
HPI: 49.42
Rank: 22
1975 - Present
HPI: 49.40
Rank: 23
1973 - Present
HPI: 49.14
Rank: 24
1954 - Present
HPI: 49.01
Rank: 25
1962 - Present
HPI: 48.94
Rank: 26
1967 - Present
HPI: 48.90
Rank: 27
1947 - 2018
HPI: 48.59
Rank: 28
1954 - Present
HPI: 48.29
Rank: 29
1985 - Present
HPI: 47.80
Rank: 30
1979 - 2019
HPI: 47.68
Rank: 31
1943 - 2010
HPI: 47.38
Rank: 32
1986 - Present
HPI: 47.36
Rank: 33
1974 - Present
HPI: 47.08
Rank: 34