There are two Sri Lankan first class cricketers with 8 names : Siththa Brahakmana Herath Mudiyanselage Walawwe Buddika Thaminda Bandara Ellepola & Arya Kastriya Takurartiya Dawaditya Gadyawasam Lidamullage Asitha Suraj de Silva. Sri Narayana Ratnayake Herath Mudiyanselage Senadi Bandara Malmeewala is a seven.
Among SL fc ckters, you will also find such wonderful names like
Yapa Mudiyanselage Gannile Aluthwalauwe Manjula Bandara Gannile,
Uda Walawwe Mahim Bandaralage Chanaka Asanka Welegedara,
Nanayakkorawasani Rudahettige Bindural Dinuka Dulshan Chandrasekera
Bulathwatte Walawwe Dissanayake Mudiyanselage Manjula Dissanayake
The full name of the test cricketer Ranji Madurasinghe -
Madurasinghe Arachchige Wijayasiri Ranjith Madurasinghe - has the same property as that of Amunugama.
There is also a cricketer named Rajapakse Rajakaruna Wasala Mudiyanselage Sanjaya Bandra Ranaweera which is suspiciouly similar to that of Amunugama, and a Herath Mudiyanselage Waruna Asiri Priyadharshana Herath who reminds one of Rangana Herath.
For an article on silly things about the names of test cricketers, see this link :
http://www.cricketarchive.co.uk/Archive/Articles/0/592.html