Complex sentence: During this time, he adopted the "Dean Collins" as his name, and popularized an original version of the Shim Sham (dance), now called, "The Dean Collins Shim-Sham".
Split into simpler sentences: During this time, he adopted the name "Dean Collins". He popularized an original version of the Shim Sham (dance), now called "The Dean Collins Shim-Sham".