Mourinho spent three trophy-laden seasons with the Blues between 2004-07, winning two Premier League titles, an FA Cup and the League Cup twice.
The 47-year-old returns to the club he served with such distinction for the first time tonight with Inter Milan seeking to build on the 2-1 lead they established in the first leg of their Champions League clash at the San Siro.
Group chairwoman Trizia Fiorellino insisted that Mourinho was cherished by supporters because of the success he brought to the club and questioned the manner of his departure.
"Most of us hold him up on a pedestal," she said. "He's a legend to us, particularly for fans of my age who had been watching Chelsea for around 35 years.
"Most of us had resigned ourselves to never winning the league. Before he came we were used to decades of mid-table mediocrity and the odd flirtation with relegation
"When he won the league so quickly it propelled him to legendary status."