The Danza: Mangoni's real name is Luca Mangoni. Also, a couple of early members used their real, funny-sounding surnames (Cortellino and Zuffellato) as nicknames.
Ear Worm: "La terra dei cachi" ("Persimmon Land") placed second at the 1996 Sanremo Music Festival and was immediately picked up by the whole country. No wonder, since the main section ("Italia sì, Italia no" "Italy yes, Italy no") is insanely catchy .
It helps that he later became one of the judges in the Italian edition of X-Factor.
Harsher in Hindsight: Their 1993 song "Sunset Boulevard", which mocks football players at the end of their careers, urging them to stop playing (with lyrics like "a fat and slow guy, who came to sunset boulevard") is sometimes used by some fans in reference to EelST themselves, feeling that their output from the 2000s onwards does not hold a candle to their earlier material (to be fair, their first albums are definitely a Tough Act to Follow). The band somewhat acknowledged this, saying that they will retire after 2017.
Keep Circulating the Tapes: during their 1998 USA tour they recorded four short episodes of a miniseries called "Vite bruciacchiate", about their fictional discovery of the lost tapes of a 1940s band who "invented" many musical genres that were born only decades later. This miniseries was broadcasted only once on the Italian state television, two years later, late at night and without any advertising. Since it was never reprinted in any format, it can only be found on old VHS tapes or on some P2P servers.
Sophomore Slump: absolutely inverted. "Italyan" is cited as EElST's best effort to date and is often put in lists of the best Italian albums ever by some critics ("Los Sri Lanka" is not counted as 2nd album for the reasons stated in "Stylistic Suck").