"well known man about town" Enfield Ch1, foil to Utterson
"he sucked down to the eddy of his scandal" Utterson Ch6
"Rather quaint," Utterson Ch6 after gone to the calligrapher, first major hint J&H are the same person and Jekyll may be involved in the murder, protecting Jekyll
"Very irregular, very unseemly," Utterson Ch8 inside Jekyll's house