The answer to the OP's question is Duncan.
You want to count accolades?
Three-time All-American
AP, Wooden, and Naismith Player of the Year
Rookie of the Year
15 All-NBA teams (1st all-time), including
10 years 1st-team All-NBA (3rd all-time)
15 All-Defensive teams (1st all-time), including
8 years 1st-team All-Defense (5th all-time) - and he deserved his
15 All-Star appearances (2nd all-time), including an All-Star MVP
2 MVPs (9th all-time), 2 runner-up finishes, 9 times in the top-5 in voting and 12 times in the top-8
You want to count postseason success?
241 playoff games (3rd all-time)
5th all-time in playoff scoring, 3rd all-time in playoff rebounds,
1st all-time in playoff blocks
6 NBA Finals appearances, including 5 championships
3 Finals MVPs (2nd all-time)
You want to count traditional statistics?
2nd in NBA in points scored in 2002,
14th in scoring in NBA history
Top-10 in NBA in FG% six times
Led NBA in rebounds in 2002, top-5 in rebounds 11 times,
6th in rebounds in NBA history
2nd in NBA in blocks in 2003, top-5 in blocks 7 times and top-10 in blocks 15 times,
5th in blocks in NBA history
You want to count advanced stats?
2nd in NBA in PER three times, top-5 in PER 9 times and top-10 in PER 13 times,
13th in PER in NBA history
Led NBA in defensive rating 4 times, top-4 in defensive rating 15 times,
2nd in defensive rating in NBA history
Led NBA in win shares twice, top-4 in win shares 8 times,
6th in win shares in NBA history