Max Carl Wilhelm Weber van Bosse or Max Wilhelm Carl Weber (5 December 1852, in Bonn – 7 February 1937, in Eerbeek) was a German-Dutch zoologist and biogeographer.
Pseudocrenilabrus philander or the southern mouth-brooder is a small species of haplochromine cichlid found in southern and central Africa.
 It was first described by the German-Dutch zoologist Max Carl Wilhelm Weber in 1897.
Max Carl Gronenthal (born January 29, 1950) is an American rock singer, keyboardist, guitarist and songwriter.
 He is the current co-lead singer of the classic rock band Grand Funk Railroad.
 In addition, he spent several years as the keyboardist and lead singer for the southern rock band 38 Special, for whom he co-wrote and sang lead on the hit song "Second Chance".
Maki Nomiya (野宮 真貴 , Nomiya Maki , born March 12, 1960) is a Japanese singer and musician.
 She released her first solo album in 1981, and worked through the 1980s as the lead vocalist of the New Wave band .
 In 1991, she became the lead singer of the band Pizzicato Five.
 When the group disbanded in 2001, she embarked on a solo career.
 She also appears singing solo on the soundtrack of the game "We Love Katamari" and in the 2008 Japanese version of "Just One Second" (Jikan Wo Tomete) by London Elektricity.
Bone Against Steel is the ninth studio album by the southern rock band 38 Special, released in 1991.
 It was their last album until their 1996 comeback and the last album to feature the vocalist and keyboard player Max Carl.
Rock & Roll Strategy is the eighth studio album by the southern rock band 38 Special, released in 1988.
 It was the first album to feature the new vocalist and keyboard player Max Carl.
 This album contained their last Top 10 hit, "Second Chance", which peaked at #6 on the "Billboard" Hot 100 singles chart.
Whistling in the Dark, released in 1979, is the first studio album released by Max Gronenthal, also known as Max Carl.
Future Listening!
 is the debut solo album from Japanese electronic musician Towa Tei.
 It was Tei's first release after his departure from dance music act Deee-Lite.
 The album incorporates an array of musical styles, including electronic, bossa nova, trip hop, house, jazz and pop.
 Produced by Tei, "Future Listening!"
 includes collaborations with artists such as Joi Cardwell, Bebel Gilberto, MC Kinky, Hiroshi Takano, Ryuichi Sakamoto, Haruomi Hosono, Toshihiko Mori, Satoshi Tomiie, Yuichi Oki of Tokyo Ska Paradise Orchestra and Pizzicato Five vocalist Maki Nomiya.
Pizzicato Five (formerly typeset as Pizzicato V and sometimes abbreviated to P5) was a Japanese pop band formed in Tokyo in 1979 by multi-instrumentalists Yasuharu Konishi and Keitaro Takanami.
 After some personnel changes in the late 1980s, the band gained international fame as a duo consisting of Konishi and vocalist Maki Nomiya.
 The group, widely credited (along with Flipper's Guitar) with spearheading the Shibuya-kei movement of Tokyo in the 1990s, is known for eclectic and energetic compositions that often pay homage to late 1960s English-language pop music.
 The catchphrase "A New Stereophonic Sound Spectacular" captured the group's ironic stance and eager attitude.
This Year's Girl (女性上位時代) is a 1991 Pizzicato Five album, their first for Nippon Columbia and first to feature Maki Nomiya as frontwoman.

Question: Maki Nomiya and Max Carl, share which mutual occupation?
Answer: singer